Home / 10,819.86-16,217.14-9,589.66

Finding the Fourth Proportional to 10,819.86, 16,217.14 and 9,589.66

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Solution

The fourth proportional to 10,819.86, 16,217.14 and 9,589.66 is: 14,373.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.86 : 16,217.14 = 9,589.66 : x
  2. Step 2: Convert to fraction form
    10,819.86/16,217.14 = 9,589.66/x
  3. Step 3: Cross multiply
    10,819.86x = 16,217.14 × 9,589.66
  4. Step 4: Simplify right side
    10,819.86x = 155,516,858.77
  5. Step 5: Solve for x
    x = 155,516,858.77/10,819.86
  6. Step 6: Final answer
    x = 14,373.28

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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.