Home / 42,151.44-63,227.16-10,986.60

Finding the Fourth Proportional to 42,151.44, 63,227.16 and 10,986.60

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Solution

The fourth proportional to 42,151.44, 63,227.16 and 10,986.60 is: 16,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,151.44 : 63,227.16 = 10,986.60 : x
  2. Step 2: Convert to fraction form
    42,151.44/63,227.16 = 10,986.60/x
  3. Step 3: Cross multiply
    42,151.44x = 63,227.16 × 10,986.60
  4. Step 4: Simplify right side
    42,151.44x = 694,651,516.06
  5. Step 5: Solve for x
    x = 694,651,516.06/42,151.44
  6. Step 6: Final answer
    x = 16,479.90

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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.