Home / 10,449.19-15,673.89-8,366.48

Finding the Fourth Proportional to 10,449.19, 15,673.89 and 8,366.48

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Solution

The fourth proportional to 10,449.19, 15,673.89 and 8,366.48 is: 12,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.19 : 15,673.89 = 8,366.48 : x
  2. Step 2: Convert to fraction form
    10,449.19/15,673.89 = 8,366.48/x
  3. Step 3: Cross multiply
    10,449.19x = 15,673.89 × 8,366.48
  4. Step 4: Simplify right side
    10,449.19x = 131,135,287.21
  5. Step 5: Solve for x
    x = 131,135,287.21/10,449.19
  6. Step 6: Final answer
    x = 12,549.80

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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.