Home / 10,194.48-15,275.28-6,290.64

Finding the Fourth Proportional to 10,194.48, 15,275.28 and 6,290.64

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Solution

The fourth proportional to 10,194.48, 15,275.28 and 6,290.64 is: 9,425.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,194.48 : 15,275.28 = 6,290.64 : x
  2. Step 2: Convert to fraction form
    10,194.48/15,275.28 = 6,290.64/x
  3. Step 3: Cross multiply
    10,194.48x = 15,275.28 × 6,290.64
  4. Step 4: Simplify right side
    10,194.48x = 96,091,287.38
  5. Step 5: Solve for x
    x = 96,091,287.38/10,194.48
  6. Step 6: Final answer
    x = 9,425.82

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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.