Home / 11,382.52-15,707.88-6,346.60

Finding the Fourth Proportional to 11,382.52, 15,707.88 and 6,346.60

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Solution

The fourth proportional to 11,382.52, 15,707.88 and 6,346.60 is: 8,758.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,382.52 : 15,707.88 = 6,346.60 : x
  2. Step 2: Convert to fraction form
    11,382.52/15,707.88 = 6,346.60/x
  3. Step 3: Cross multiply
    11,382.52x = 15,707.88 × 6,346.60
  4. Step 4: Simplify right side
    11,382.52x = 99,691,631.21
  5. Step 5: Solve for x
    x = 99,691,631.21/11,382.52
  6. Step 6: Final answer
    x = 8,758.31

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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.