Home / 18,701.15-25,793.98-11,521.53

Finding the Fourth Proportional to 18,701.15, 25,793.98 and 11,521.53

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Solution

The fourth proportional to 18,701.15, 25,793.98 and 11,521.53 is: 15,891.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.15 : 25,793.98 = 11,521.53 : x
  2. Step 2: Convert to fraction form
    18,701.15/25,793.98 = 11,521.53/x
  3. Step 3: Cross multiply
    18,701.15x = 25,793.98 × 11,521.53
  4. Step 4: Simplify right side
    18,701.15x = 297,186,085.59
  5. Step 5: Solve for x
    x = 297,186,085.59/18,701.15
  6. Step 6: Final answer
    x = 15,891.33

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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.