Home / 13,513.49-20,253.79-9,565.87

Finding the Fourth Proportional to 13,513.49, 20,253.79 and 9,565.87

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Solution

The fourth proportional to 13,513.49, 20,253.79 and 9,565.87 is: 14,337.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513.49 : 20,253.79 = 9,565.87 : x
  2. Step 2: Convert to fraction form
    13,513.49/20,253.79 = 9,565.87/x
  3. Step 3: Cross multiply
    13,513.49x = 20,253.79 × 9,565.87
  4. Step 4: Simplify right side
    13,513.49x = 193,745,094.54
  5. Step 5: Solve for x
    x = 193,745,094.54/13,513.49
  6. Step 6: Final answer
    x = 14,337.16

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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.