Home / 15,399.78-23,099.67-3,713.01

Finding the Fourth Proportional to 15,399.78, 23,099.67 and 3,713.01

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Solution

The fourth proportional to 15,399.78, 23,099.67 and 3,713.01 is: 5,569.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.78 : 23,099.67 = 3,713.01 : x
  2. Step 2: Convert to fraction form
    15,399.78/23,099.67 = 3,713.01/x
  3. Step 3: Cross multiply
    15,399.78x = 23,099.67 × 3,713.01
  4. Step 4: Simplify right side
    15,399.78x = 85,769,305.71
  5. Step 5: Solve for x
    x = 85,769,305.71/15,399.78
  6. Step 6: Final answer
    x = 5,569.52

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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.