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Finding the Fourth Proportional to 15,221.59, 22,835.22 and 5,367.13

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Solution

The fourth proportional to 15,221.59, 22,835.22 and 5,367.13 is: 8,051.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,221.59 : 22,835.22 = 5,367.13 : x
  2. Step 2: Convert to fraction form
    15,221.59/22,835.22 = 5,367.13/x
  3. Step 3: Cross multiply
    15,221.59x = 22,835.22 × 5,367.13
  4. Step 4: Simplify right side
    15,221.59x = 122,559,594.32
  5. Step 5: Solve for x
    x = 122,559,594.32/15,221.59
  6. Step 6: Final answer
    x = 8,051.69

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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.