Home / 10,604.20-15,906.30-9,437.80

Finding the Fourth Proportional to 10,604.20, 15,906.30 and 9,437.80

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Solution

The fourth proportional to 10,604.20, 15,906.30 and 9,437.80 is: 14,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604.20 : 15,906.30 = 9,437.80 : x
  2. Step 2: Convert to fraction form
    10,604.20/15,906.30 = 9,437.80/x
  3. Step 3: Cross multiply
    10,604.20x = 15,906.30 × 9,437.80
  4. Step 4: Simplify right side
    10,604.20x = 150,120,478.14
  5. Step 5: Solve for x
    x = 150,120,478.14/10,604.20
  6. Step 6: Final answer
    x = 14,156.70

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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.