Home / 11,146.38-16,721.32-5,301.01

Finding the Fourth Proportional to 11,146.38, 16,721.32 and 5,301.01

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Solution

The fourth proportional to 11,146.38, 16,721.32 and 5,301.01 is: 7,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.38 : 16,721.32 = 5,301.01 : x
  2. Step 2: Convert to fraction form
    11,146.38/16,721.32 = 5,301.01/x
  3. Step 3: Cross multiply
    11,146.38x = 16,721.32 × 5,301.01
  4. Step 4: Simplify right side
    11,146.38x = 88,639,884.53
  5. Step 5: Solve for x
    x = 88,639,884.53/11,146.38
  6. Step 6: Final answer
    x = 7,952.35

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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.