Home / 15,439.91-23,142.36-7,102.71

Finding the Fourth Proportional to 15,439.91, 23,142.36 and 7,102.71

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Solution

The fourth proportional to 15,439.91, 23,142.36 and 7,102.71 is: 10,646.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.91 : 23,142.36 = 7,102.71 : x
  2. Step 2: Convert to fraction form
    15,439.91/23,142.36 = 7,102.71/x
  3. Step 3: Cross multiply
    15,439.91x = 23,142.36 × 7,102.71
  4. Step 4: Simplify right side
    15,439.91x = 164,373,436.28
  5. Step 5: Solve for x
    x = 164,373,436.28/15,439.91
  6. Step 6: Final answer
    x = 10,646.01

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