Home / 18,549.27-25,609.78-12,187.17

Finding the Fourth Proportional to 18,549.27, 25,609.78 and 12,187.17

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Solution

The fourth proportional to 18,549.27, 25,609.78 and 12,187.17 is: 16,826.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.27 : 25,609.78 = 12,187.17 : x
  2. Step 2: Convert to fraction form
    18,549.27/25,609.78 = 12,187.17/x
  3. Step 3: Cross multiply
    18,549.27x = 25,609.78 × 12,187.17
  4. Step 4: Simplify right side
    18,549.27x = 312,110,742.52
  5. Step 5: Solve for x
    x = 312,110,742.52/18,549.27
  6. Step 6: Final answer
    x = 16,826.04

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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.