Home / 15,375.75-23,026.38-8,781.94

Finding the Fourth Proportional to 15,375.75, 23,026.38 and 8,781.94

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Solution

The fourth proportional to 15,375.75, 23,026.38 and 8,781.94 is: 13,151.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,375.75 : 23,026.38 = 8,781.94 : x
  2. Step 2: Convert to fraction form
    15,375.75/23,026.38 = 8,781.94/x
  3. Step 3: Cross multiply
    15,375.75x = 23,026.38 × 8,781.94
  4. Step 4: Simplify right side
    15,375.75x = 202,216,348.19
  5. Step 5: Solve for x
    x = 202,216,348.19/15,375.75
  6. Step 6: Final answer
    x = 13,151.64

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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.