Home / 10,365.32-15,547.97-3,787.91

Finding the Fourth Proportional to 10,365.32, 15,547.97 and 3,787.91

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Solution

The fourth proportional to 10,365.32, 15,547.97 and 3,787.91 is: 5,681.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.32 : 15,547.97 = 3,787.91 : x
  2. Step 2: Convert to fraction form
    10,365.32/15,547.97 = 3,787.91/x
  3. Step 3: Cross multiply
    10,365.32x = 15,547.97 × 3,787.91
  4. Step 4: Simplify right side
    10,365.32x = 58,894,359.38
  5. Step 5: Solve for x
    x = 58,894,359.38/10,365.32
  6. Step 6: Final answer
    x = 5,681.87

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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.