Home / 10,469.52-14,448.24-6,279.12

Finding the Fourth Proportional to 10,469.52, 14,448.24 and 6,279.12

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Solution

The fourth proportional to 10,469.52, 14,448.24 and 6,279.12 is: 8,665.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,469.52 : 14,448.24 = 6,279.12 : x
  2. Step 2: Convert to fraction form
    10,469.52/14,448.24 = 6,279.12/x
  3. Step 3: Cross multiply
    10,469.52x = 14,448.24 × 6,279.12
  4. Step 4: Simplify right side
    10,469.52x = 90,722,232.75
  5. Step 5: Solve for x
    x = 90,722,232.75/10,469.52
  6. Step 6: Final answer
    x = 8,665.37

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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.