Home / 13,153.56-19,713.90-6,581.61

Finding the Fourth Proportional to 13,153.56, 19,713.90 and 6,581.61

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Solution

The fourth proportional to 13,153.56, 19,713.90 and 6,581.61 is: 9,864.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.56 : 19,713.90 = 6,581.61 : x
  2. Step 2: Convert to fraction form
    13,153.56/19,713.90 = 6,581.61/x
  3. Step 3: Cross multiply
    13,153.56x = 19,713.90 × 6,581.61
  4. Step 4: Simplify right side
    13,153.56x = 129,749,201.38
  5. Step 5: Solve for x
    x = 129,749,201.38/13,153.56
  6. Step 6: Final answer
    x = 9,864.19

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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.