Home / 13,733.76-20,589.12-5,521.28

Finding the Fourth Proportional to 13,733.76, 20,589.12 and 5,521.28

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Solution

The fourth proportional to 13,733.76, 20,589.12 and 5,521.28 is: 8,277.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.76 : 20,589.12 = 5,521.28 : x
  2. Step 2: Convert to fraction form
    13,733.76/20,589.12 = 5,521.28/x
  3. Step 3: Cross multiply
    13,733.76x = 20,589.12 × 5,521.28
  4. Step 4: Simplify right side
    13,733.76x = 113,678,296.47
  5. Step 5: Solve for x
    x = 113,678,296.47/13,733.76
  6. Step 6: Final answer
    x = 8,277.29

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1.5x scale

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.