Home / 18,508.80-25,541.82-11,433.18

Finding the Fourth Proportional to 18,508.80, 25,541.82 and 11,433.18

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Solution

The fourth proportional to 18,508.80, 25,541.82 and 11,433.18 is: 15,777.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508.80 : 25,541.82 = 11,433.18 : x
  2. Step 2: Convert to fraction form
    18,508.80/25,541.82 = 11,433.18/x
  3. Step 3: Cross multiply
    18,508.80x = 25,541.82 × 11,433.18
  4. Step 4: Simplify right side
    18,508.80x = 292,024,225.59
  5. Step 5: Solve for x
    x = 292,024,225.59/18,508.80
  6. Step 6: Final answer
    x = 15,777.59

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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.