Home / 12,240.79-18,358.41-5,994.55

Finding the Fourth Proportional to 12,240.79, 18,358.41 and 5,994.55

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Solution

The fourth proportional to 12,240.79, 18,358.41 and 5,994.55 is: 8,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.79 : 18,358.41 = 5,994.55 : x
  2. Step 2: Convert to fraction form
    12,240.79/18,358.41 = 5,994.55/x
  3. Step 3: Cross multiply
    12,240.79x = 18,358.41 × 5,994.55
  4. Step 4: Simplify right side
    12,240.79x = 110,050,406.67
  5. Step 5: Solve for x
    x = 110,050,406.67/12,240.79
  6. Step 6: Final answer
    x = 8,990.47

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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.