Home / 13,042.56-19,565.38-4,154.78

Finding the Fourth Proportional to 13,042.56, 19,565.38 and 4,154.78

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Solution

The fourth proportional to 13,042.56, 19,565.38 and 4,154.78 is: 6,232.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.56 : 19,565.38 = 4,154.78 : x
  2. Step 2: Convert to fraction form
    13,042.56/19,565.38 = 4,154.78/x
  3. Step 3: Cross multiply
    13,042.56x = 19,565.38 × 4,154.78
  4. Step 4: Simplify right side
    13,042.56x = 81,289,849.52
  5. Step 5: Solve for x
    x = 81,289,849.52/13,042.56
  6. Step 6: Final answer
    x = 6,232.66

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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.