Home / 10,489.10-15,733.69-4,249.23

Finding the Fourth Proportional to 10,489.10, 15,733.69 and 4,249.23

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Solution

The fourth proportional to 10,489.10, 15,733.69 and 4,249.23 is: 6,373.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489.10 : 15,733.69 = 4,249.23 : x
  2. Step 2: Convert to fraction form
    10,489.10/15,733.69 = 4,249.23/x
  3. Step 3: Cross multiply
    10,489.10x = 15,733.69 × 4,249.23
  4. Step 4: Simplify right side
    10,489.10x = 66,856,017.60
  5. Step 5: Solve for x
    x = 66,856,017.60/10,489.10
  6. Step 6: Final answer
    x = 6,373.86

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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.