Home / 12,083.40-18,125.10-10,333.80

Finding the Fourth Proportional to 12,083.40, 18,125.10 and 10,333.80

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Solution

The fourth proportional to 12,083.40, 18,125.10 and 10,333.80 is: 15,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.40 : 18,125.10 = 10,333.80 : x
  2. Step 2: Convert to fraction form
    12,083.40/18,125.10 = 10,333.80/x
  3. Step 3: Cross multiply
    12,083.40x = 18,125.10 × 10,333.80
  4. Step 4: Simplify right side
    12,083.40x = 187,301,158.38
  5. Step 5: Solve for x
    x = 187,301,158.38/12,083.40
  6. Step 6: Final answer
    x = 15,500.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.