Home / 10,409.36-15,613.96-4,249.04

Finding the Fourth Proportional to 10,409.36, 15,613.96 and 4,249.04

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Solution

The fourth proportional to 10,409.36, 15,613.96 and 4,249.04 is: 6,373.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.36 : 15,613.96 = 4,249.04 : x
  2. Step 2: Convert to fraction form
    10,409.36/15,613.96 = 4,249.04/x
  3. Step 3: Cross multiply
    10,409.36x = 15,613.96 × 4,249.04
  4. Step 4: Simplify right side
    10,409.36x = 66,344,340.60
  5. Step 5: Solve for x
    x = 66,344,340.60/10,409.36
  6. Step 6: Final answer
    x = 6,373.53

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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.