Home / 11,182.47-15,431.97-6,147.18

Finding the Fourth Proportional to 11,182.47, 15,431.97 and 6,147.18

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Solution

The fourth proportional to 11,182.47, 15,431.97 and 6,147.18 is: 8,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.47 : 15,431.97 = 6,147.18 : x
  2. Step 2: Convert to fraction form
    11,182.47/15,431.97 = 6,147.18/x
  3. Step 3: Cross multiply
    11,182.47x = 15,431.97 × 6,147.18
  4. Step 4: Simplify right side
    11,182.47x = 94,863,097.34
  5. Step 5: Solve for x
    x = 94,863,097.34/11,182.47
  6. Step 6: Final answer
    x = 8,483.20

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Double scale
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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.