Home / 15,332.61-22,979.29-7,935.69

Finding the Fourth Proportional to 15,332.61, 22,979.29 and 7,935.69

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Solution

The fourth proportional to 15,332.61, 22,979.29 and 7,935.69 is: 11,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332.61 : 22,979.29 = 7,935.69 : x
  2. Step 2: Convert to fraction form
    15,332.61/22,979.29 = 7,935.69/x
  3. Step 3: Cross multiply
    15,332.61x = 22,979.29 × 7,935.69
  4. Step 4: Simplify right side
    15,332.61x = 182,356,521.86
  5. Step 5: Solve for x
    x = 182,356,521.86/15,332.61
  6. Step 6: Final answer
    x = 11,893.38

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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.