Home / 11,285.47-15,572.86-6,747.25

Finding the Fourth Proportional to 11,285.47, 15,572.86 and 6,747.25

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Solution

The fourth proportional to 11,285.47, 15,572.86 and 6,747.25 is: 9,310.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.47 : 15,572.86 = 6,747.25 : x
  2. Step 2: Convert to fraction form
    11,285.47/15,572.86 = 6,747.25/x
  3. Step 3: Cross multiply
    11,285.47x = 15,572.86 × 6,747.25
  4. Step 4: Simplify right side
    11,285.47x = 105,073,945.90
  5. Step 5: Solve for x
    x = 105,073,945.90/11,285.47
  6. Step 6: Final answer
    x = 9,310.56

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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.