Home / 10,998.24-15,178.68-6,522.72

Finding the Fourth Proportional to 10,998.24, 15,178.68 and 6,522.72

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Solution

The fourth proportional to 10,998.24, 15,178.68 and 6,522.72 is: 9,002.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.24 : 15,178.68 = 6,522.72 : x
  2. Step 2: Convert to fraction form
    10,998.24/15,178.68 = 6,522.72/x
  3. Step 3: Cross multiply
    10,998.24x = 15,178.68 × 6,522.72
  4. Step 4: Simplify right side
    10,998.24x = 99,006,279.61
  5. Step 5: Solve for x
    x = 99,006,279.61/10,998.24
  6. Step 6: Final answer
    x = 9,002.01

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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.