Home / 40,268.74-60,407.98-10,687.12

Finding the Fourth Proportional to 40,268.74, 60,407.98 and 10,687.12

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Solution

The fourth proportional to 40,268.74, 60,407.98 and 10,687.12 is: 16,031.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,268.74 : 60,407.98 = 10,687.12 : x
  2. Step 2: Convert to fraction form
    40,268.74/60,407.98 = 10,687.12/x
  3. Step 3: Cross multiply
    40,268.74x = 60,407.98 × 10,687.12
  4. Step 4: Simplify right side
    40,268.74x = 645,587,331.22
  5. Step 5: Solve for x
    x = 645,587,331.22/40,268.74
  6. Step 6: Final answer
    x = 16,031.97

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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.