Home / 10,330.15-15,493.43-2,932.88

Finding the Fourth Proportional to 10,330.15, 15,493.43 and 2,932.88

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Solution

The fourth proportional to 10,330.15, 15,493.43 and 2,932.88 is: 4,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.15 : 15,493.43 = 2,932.88 : x
  2. Step 2: Convert to fraction form
    10,330.15/15,493.43 = 2,932.88/x
  3. Step 3: Cross multiply
    10,330.15x = 15,493.43 × 2,932.88
  4. Step 4: Simplify right side
    10,330.15x = 45,440,278.85
  5. Step 5: Solve for x
    x = 45,440,278.85/10,330.15
  6. Step 6: Final answer
    x = 4,398.80

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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.