Home / 10,257.49-15,387.60-3,682.13

Finding the Fourth Proportional to 10,257.49, 15,387.60 and 3,682.13

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Solution

The fourth proportional to 10,257.49, 15,387.60 and 3,682.13 is: 5,523.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.49 : 15,387.60 = 3,682.13 : x
  2. Step 2: Convert to fraction form
    10,257.49/15,387.60 = 3,682.13/x
  3. Step 3: Cross multiply
    10,257.49x = 15,387.60 × 3,682.13
  4. Step 4: Simplify right side
    10,257.49x = 56,659,179.22
  5. Step 5: Solve for x
    x = 56,659,179.22/10,257.49
  6. Step 6: Final answer
    x = 5,523.69

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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.