Home / 18,114.12-24,985.98-13,085.73

Finding the Fourth Proportional to 18,114.12, 24,985.98 and 13,085.73

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Solution

The fourth proportional to 18,114.12, 24,985.98 and 13,085.73 is: 18,049.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.12 : 24,985.98 = 13,085.73 : x
  2. Step 2: Convert to fraction form
    18,114.12/24,985.98 = 13,085.73/x
  3. Step 3: Cross multiply
    18,114.12x = 24,985.98 × 13,085.73
  4. Step 4: Simplify right side
    18,114.12x = 326,959,736.19
  5. Step 5: Solve for x
    x = 326,959,736.19/18,114.12
  6. Step 6: Final answer
    x = 18,049.99

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Double scale
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Similar ratio
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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.