Home / 13,711.14-20,566.55-4,351.16

Finding the Fourth Proportional to 13,711.14, 20,566.55 and 4,351.16

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Solution

The fourth proportional to 13,711.14, 20,566.55 and 4,351.16 is: 6,526.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.14 : 20,566.55 = 4,351.16 : x
  2. Step 2: Convert to fraction form
    13,711.14/20,566.55 = 4,351.16/x
  3. Step 3: Cross multiply
    13,711.14x = 20,566.55 × 4,351.16
  4. Step 4: Simplify right side
    13,711.14x = 89,488,225.11
  5. Step 5: Solve for x
    x = 89,488,225.11/13,711.14
  6. Step 6: Final answer
    x = 6,526.68

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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.