Home / 18,134.80-25,025.28-10,581.55

Finding the Fourth Proportional to 18,134.80, 25,025.28 and 10,581.55

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Solution

The fourth proportional to 18,134.80, 25,025.28 and 10,581.55 is: 14,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.80 : 25,025.28 = 10,581.55 : x
  2. Step 2: Convert to fraction form
    18,134.80/25,025.28 = 10,581.55/x
  3. Step 3: Cross multiply
    18,134.80x = 25,025.28 × 10,581.55
  4. Step 4: Simplify right side
    18,134.80x = 264,806,251.58
  5. Step 5: Solve for x
    x = 264,806,251.58/18,134.80
  6. Step 6: Final answer
    x = 14,602.10

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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.