Home / 13,226.18-18,251.94-7,560.86

Finding the Fourth Proportional to 13,226.18, 18,251.94 and 7,560.86

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Solution

The fourth proportional to 13,226.18, 18,251.94 and 7,560.86 is: 10,433.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.18 : 18,251.94 = 7,560.86 : x
  2. Step 2: Convert to fraction form
    13,226.18/18,251.94 = 7,560.86/x
  3. Step 3: Cross multiply
    13,226.18x = 18,251.94 × 7,560.86
  4. Step 4: Simplify right side
    13,226.18x = 138,000,363.07
  5. Step 5: Solve for x
    x = 138,000,363.07/13,226.18
  6. Step 6: Final answer
    x = 10,433.88

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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.