Home / 15,010.47-22,515.72-3,917.15

Finding the Fourth Proportional to 15,010.47, 22,515.72 and 3,917.15

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Solution

The fourth proportional to 15,010.47, 22,515.72 and 3,917.15 is: 5,875.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.47 : 22,515.72 = 3,917.15 : x
  2. Step 2: Convert to fraction form
    15,010.47/22,515.72 = 3,917.15/x
  3. Step 3: Cross multiply
    15,010.47x = 22,515.72 × 3,917.15
  4. Step 4: Simplify right side
    15,010.47x = 88,197,467.29
  5. Step 5: Solve for x
    x = 88,197,467.29/15,010.47
  6. Step 6: Final answer
    x = 5,875.73

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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.