Home / 20,142.93-30,214.68-6,995.61

Finding the Fourth Proportional to 20,142.93, 30,214.68 and 6,995.61

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Solution

The fourth proportional to 20,142.93, 30,214.68 and 6,995.61 is: 10,493.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142.93 : 30,214.68 = 6,995.61 : x
  2. Step 2: Convert to fraction form
    20,142.93/30,214.68 = 6,995.61/x
  3. Step 3: Cross multiply
    20,142.93x = 30,214.68 × 6,995.61
  4. Step 4: Simplify right side
    20,142.93x = 211,370,117.55
  5. Step 5: Solve for x
    x = 211,370,117.55/20,142.93
  6. Step 6: Final answer
    x = 10,493.51

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.