Home / 10,490.20-15,773.70-8,800.60

Finding the Fourth Proportional to 10,490.20, 15,773.70 and 8,800.60

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Solution

The fourth proportional to 10,490.20, 15,773.70 and 8,800.60 is: 13,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.20 : 15,773.70 = 8,800.60 : x
  2. Step 2: Convert to fraction form
    10,490.20/15,773.70 = 8,800.60/x
  3. Step 3: Cross multiply
    10,490.20x = 15,773.70 × 8,800.60
  4. Step 4: Simplify right side
    10,490.20x = 138,818,024.22
  5. Step 5: Solve for x
    x = 138,818,024.22/10,490.20
  6. Step 6: Final answer
    x = 13,233.12

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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.