Home / 10,491.26-15,736.82-4,251.18

Finding the Fourth Proportional to 10,491.26, 15,736.82 and 4,251.18

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Solution

The fourth proportional to 10,491.26, 15,736.82 and 4,251.18 is: 6,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.26 : 15,736.82 = 4,251.18 : x
  2. Step 2: Convert to fraction form
    10,491.26/15,736.82 = 4,251.18/x
  3. Step 3: Cross multiply
    10,491.26x = 15,736.82 × 4,251.18
  4. Step 4: Simplify right side
    10,491.26x = 66,900,054.45
  5. Step 5: Solve for x
    x = 66,900,054.45/10,491.26
  6. Step 6: Final answer
    x = 6,376.74

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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.