Home / 10,333.17-15,500.79-3,311.43

Finding the Fourth Proportional to 10,333.17, 15,500.79 and 3,311.43

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Solution

The fourth proportional to 10,333.17, 15,500.79 and 3,311.43 is: 4,967.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,333.17 : 15,500.79 = 3,311.43 : x
  2. Step 2: Convert to fraction form
    10,333.17/15,500.79 = 3,311.43/x
  3. Step 3: Cross multiply
    10,333.17x = 15,500.79 × 3,311.43
  4. Step 4: Simplify right side
    10,333.17x = 51,329,781.03
  5. Step 5: Solve for x
    x = 51,329,781.03/10,333.17
  6. Step 6: Final answer
    x = 4,967.48

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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.