Home / 13,711.47-20,559.50-4,349.74

Finding the Fourth Proportional to 13,711.47, 20,559.50 and 4,349.74

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Solution

The fourth proportional to 13,711.47, 20,559.50 and 4,349.74 is: 6,522.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.47 : 20,559.50 = 4,349.74 : x
  2. Step 2: Convert to fraction form
    13,711.47/20,559.50 = 4,349.74/x
  3. Step 3: Cross multiply
    13,711.47x = 20,559.50 × 4,349.74
  4. Step 4: Simplify right side
    13,711.47x = 89,428,479.53
  5. Step 5: Solve for x
    x = 89,428,479.53/13,711.47
  6. Step 6: Final answer
    x = 6,522.17

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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.