Home / 13,074.67-19,612-4,753.13

Finding the Fourth Proportional to 13,074.67, 19,612 and 4,753.13

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Solution

The fourth proportional to 13,074.67, 19,612 and 4,753.13 is: 7,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.67 : 19,612 = 4,753.13 : x
  2. Step 2: Convert to fraction form
    13,074.67/19,612 = 4,753.13/x
  3. Step 3: Cross multiply
    13,074.67x = 19,612 × 4,753.13
  4. Step 4: Simplify right side
    13,074.67x = 93,218,385.56
  5. Step 5: Solve for x
    x = 93,218,385.56/13,074.67
  6. Step 6: Final answer
    x = 7,129.70

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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.