Home / 15,275.34-22,921.53-8,255.22

Finding the Fourth Proportional to 15,275.34, 22,921.53 and 8,255.22

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Solution

The fourth proportional to 15,275.34, 22,921.53 and 8,255.22 is: 12,387.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,275.34 : 22,921.53 = 8,255.22 : x
  2. Step 2: Convert to fraction form
    15,275.34/22,921.53 = 8,255.22/x
  3. Step 3: Cross multiply
    15,275.34x = 22,921.53 × 8,255.22
  4. Step 4: Simplify right side
    15,275.34x = 189,222,272.89
  5. Step 5: Solve for x
    x = 189,222,272.89/15,275.34
  6. Step 6: Final answer
    x = 12,387.43

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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.