Home / 15,371.71-23,020.61-8,777.91

Finding the Fourth Proportional to 15,371.71, 23,020.61 and 8,777.91

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Solution

The fourth proportional to 15,371.71, 23,020.61 and 8,777.91 is: 13,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,371.71 : 23,020.61 = 8,777.91 : x
  2. Step 2: Convert to fraction form
    15,371.71/23,020.61 = 8,777.91/x
  3. Step 3: Cross multiply
    15,371.71x = 23,020.61 × 8,777.91
  4. Step 4: Simplify right side
    15,371.71x = 202,072,842.73
  5. Step 5: Solve for x
    x = 202,072,842.73/15,371.71
  6. Step 6: Final answer
    x = 13,145.76

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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.