Home / 12,472.06-18,711.64-3,707.14

Finding the Fourth Proportional to 12,472.06, 18,711.64 and 3,707.14

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Solution

The fourth proportional to 12,472.06, 18,711.64 and 3,707.14 is: 5,561.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.06 : 18,711.64 = 3,707.14 : x
  2. Step 2: Convert to fraction form
    12,472.06/18,711.64 = 3,707.14/x
  3. Step 3: Cross multiply
    12,472.06x = 18,711.64 × 3,707.14
  4. Step 4: Simplify right side
    12,472.06x = 69,366,669.11
  5. Step 5: Solve for x
    x = 69,366,669.11/12,472.06
  6. Step 6: Final answer
    x = 5,561.77

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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.