Home / 10,329.20-14,248.36-6,347.48

Finding the Fourth Proportional to 10,329.20, 14,248.36 and 6,347.48

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Solution

The fourth proportional to 10,329.20, 14,248.36 and 6,347.48 is: 8,755.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.20 : 14,248.36 = 6,347.48 : x
  2. Step 2: Convert to fraction form
    10,329.20/14,248.36 = 6,347.48/x
  3. Step 3: Cross multiply
    10,329.20x = 14,248.36 × 6,347.48
  4. Step 4: Simplify right side
    10,329.20x = 90,441,180.13
  5. Step 5: Solve for x
    x = 90,441,180.13/10,329.20
  6. Step 6: Final answer
    x = 8,755.87

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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.