Home / 20,141.48-30,212.58-6,994.28

Finding the Fourth Proportional to 20,141.48, 30,212.58 and 6,994.28

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Solution

The fourth proportional to 20,141.48, 30,212.58 and 6,994.28 is: 10,491.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,141.48 : 30,212.58 = 6,994.28 : x
  2. Step 2: Convert to fraction form
    20,141.48/30,212.58 = 6,994.28/x
  3. Step 3: Cross multiply
    20,141.48x = 30,212.58 × 6,994.28
  4. Step 4: Simplify right side
    20,141.48x = 211,315,244.04
  5. Step 5: Solve for x
    x = 211,315,244.04/20,141.48
  6. Step 6: Final answer
    x = 10,491.55

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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.