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Finding the Fourth Proportional to 10,610.80, 15,940.68 and 6,674.32

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Solution

The fourth proportional to 10,610.80, 15,940.68 and 6,674.32 is: 10,026.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,610.80 : 15,940.68 = 6,674.32 : x
  2. Step 2: Convert to fraction form
    10,610.80/15,940.68 = 6,674.32/x
  3. Step 3: Cross multiply
    10,610.80x = 15,940.68 × 6,674.32
  4. Step 4: Simplify right side
    10,610.80x = 106,393,199.34
  5. Step 5: Solve for x
    x = 106,393,199.34/10,610.80
  6. Step 6: Final answer
    x = 10,026.88

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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.