Home / 10,246.12-15,348.06-8,287.72

Finding the Fourth Proportional to 10,246.12, 15,348.06 and 8,287.72

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Solution

The fourth proportional to 10,246.12, 15,348.06 and 8,287.72 is: 12,414.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,246.12 : 15,348.06 = 8,287.72 : x
  2. Step 2: Convert to fraction form
    10,246.12/15,348.06 = 8,287.72/x
  3. Step 3: Cross multiply
    10,246.12x = 15,348.06 × 8,287.72
  4. Step 4: Simplify right side
    10,246.12x = 127,200,423.82
  5. Step 5: Solve for x
    x = 127,200,423.82/10,246.12
  6. Step 6: Final answer
    x = 12,414.50

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1.5x scale

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.