Home / 18,213.12-25,132.96-10,254.88

Finding the Fourth Proportional to 18,213.12, 25,132.96 and 10,254.88

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Solution

The fourth proportional to 18,213.12, 25,132.96 and 10,254.88 is: 14,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.12 : 25,132.96 = 10,254.88 : x
  2. Step 2: Convert to fraction form
    18,213.12/25,132.96 = 10,254.88/x
  3. Step 3: Cross multiply
    18,213.12x = 25,132.96 × 10,254.88
  4. Step 4: Simplify right side
    18,213.12x = 257,735,488.84
  5. Step 5: Solve for x
    x = 257,735,488.84/18,213.12
  6. Step 6: Final answer
    x = 14,151.09

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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.