Home / 12,301.10-18,451.65-4,901.90

Finding the Fourth Proportional to 12,301.10, 18,451.65 and 4,901.90

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Solution

The fourth proportional to 12,301.10, 18,451.65 and 4,901.90 is: 7,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.10 : 18,451.65 = 4,901.90 : x
  2. Step 2: Convert to fraction form
    12,301.10/18,451.65 = 4,901.90/x
  3. Step 3: Cross multiply
    12,301.10x = 18,451.65 × 4,901.90
  4. Step 4: Simplify right side
    12,301.10x = 90,448,143.14
  5. Step 5: Solve for x
    x = 90,448,143.14/12,301.10
  6. Step 6: Final answer
    x = 7,352.85

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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.