Home / 10,949.72-16,416.47-4,370.90

Finding the Fourth Proportional to 10,949.72, 16,416.47 and 4,370.90

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Solution

The fourth proportional to 10,949.72, 16,416.47 and 4,370.90 is: 6,553.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.72 : 16,416.47 = 4,370.90 : x
  2. Step 2: Convert to fraction form
    10,949.72/16,416.47 = 4,370.90/x
  3. Step 3: Cross multiply
    10,949.72x = 16,416.47 × 4,370.90
  4. Step 4: Simplify right side
    10,949.72x = 71,754,677.57
  5. Step 5: Solve for x
    x = 71,754,677.57/10,949.72
  6. Step 6: Final answer
    x = 6,553.11

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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.