Home / 10,911.97-16,375.13-5,985.07

Finding the Fourth Proportional to 10,911.97, 16,375.13 and 5,985.07

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Solution

The fourth proportional to 10,911.97, 16,375.13 and 5,985.07 is: 8,981.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.97 : 16,375.13 = 5,985.07 : x
  2. Step 2: Convert to fraction form
    10,911.97/16,375.13 = 5,985.07/x
  3. Step 3: Cross multiply
    10,911.97x = 16,375.13 × 5,985.07
  4. Step 4: Simplify right side
    10,911.97x = 98,006,202.47
  5. Step 5: Solve for x
    x = 98,006,202.47/10,911.97
  6. Step 6: Final answer
    x = 8,981.53

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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.