Home / 15,052.25-20,771.18-8,337.47

Finding the Fourth Proportional to 15,052.25, 20,771.18 and 8,337.47

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Solution

The fourth proportional to 15,052.25, 20,771.18 and 8,337.47 is: 11,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,052.25 : 20,771.18 = 8,337.47 : x
  2. Step 2: Convert to fraction form
    15,052.25/20,771.18 = 8,337.47/x
  3. Step 3: Cross multiply
    15,052.25x = 20,771.18 × 8,337.47
  4. Step 4: Simplify right side
    15,052.25x = 173,179,090.11
  5. Step 5: Solve for x
    x = 173,179,090.11/15,052.25
  6. Step 6: Final answer
    x = 11,505.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.