Home / 12,301.70-18,452.55-10,892.30

Finding the Fourth Proportional to 12,301.70, 18,452.55 and 10,892.30

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Solution

The fourth proportional to 12,301.70, 18,452.55 and 10,892.30 is: 16,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.70 : 18,452.55 = 10,892.30 : x
  2. Step 2: Convert to fraction form
    12,301.70/18,452.55 = 10,892.30/x
  3. Step 3: Cross multiply
    12,301.70x = 18,452.55 × 10,892.30
  4. Step 4: Simplify right side
    12,301.70x = 200,990,710.37
  5. Step 5: Solve for x
    x = 200,990,710.37/12,301.70
  6. Step 6: Final answer
    x = 16,338.45

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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.