Home / 16,289.88-22,478.76-9,575.76

Finding the Fourth Proportional to 16,289.88, 22,478.76 and 9,575.76

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Solution

The fourth proportional to 16,289.88, 22,478.76 and 9,575.76 is: 13,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,289.88 : 22,478.76 = 9,575.76 : x
  2. Step 2: Convert to fraction form
    16,289.88/22,478.76 = 9,575.76/x
  3. Step 3: Cross multiply
    16,289.88x = 22,478.76 × 9,575.76
  4. Step 4: Simplify right side
    16,289.88x = 215,251,210.86
  5. Step 5: Solve for x
    x = 215,251,210.86/16,289.88
  6. Step 6: Final answer
    x = 13,213.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.