Home / 10,319.13-15,469.11-5,392.17

Finding the Fourth Proportional to 10,319.13, 15,469.11 and 5,392.17

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Solution

The fourth proportional to 10,319.13, 15,469.11 and 5,392.17 is: 8,083.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.13 : 15,469.11 = 5,392.17 : x
  2. Step 2: Convert to fraction form
    10,319.13/15,469.11 = 5,392.17/x
  3. Step 3: Cross multiply
    10,319.13x = 15,469.11 × 5,392.17
  4. Step 4: Simplify right side
    10,319.13x = 83,412,070.87
  5. Step 5: Solve for x
    x = 83,412,070.87/10,319.13
  6. Step 6: Final answer
    x = 8,083.25

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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.