Home / 10,489.05-14,473.62-6,240.24

Finding the Fourth Proportional to 10,489.05, 14,473.62 and 6,240.24

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Solution

The fourth proportional to 10,489.05, 14,473.62 and 6,240.24 is: 8,610.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489.05 : 14,473.62 = 6,240.24 : x
  2. Step 2: Convert to fraction form
    10,489.05/14,473.62 = 6,240.24/x
  3. Step 3: Cross multiply
    10,489.05x = 14,473.62 × 6,240.24
  4. Step 4: Simplify right side
    10,489.05x = 90,318,862.47
  5. Step 5: Solve for x
    x = 90,318,862.47/10,489.05
  6. Step 6: Final answer
    x = 8,610.78

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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.