Home / 10,205.40-15,272.46-8,834.88

Finding the Fourth Proportional to 10,205.40, 15,272.46 and 8,834.88

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Solution

The fourth proportional to 10,205.40, 15,272.46 and 8,834.88 is: 13,221.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205.40 : 15,272.46 = 8,834.88 : x
  2. Step 2: Convert to fraction form
    10,205.40/15,272.46 = 8,834.88/x
  3. Step 3: Cross multiply
    10,205.40x = 15,272.46 × 8,834.88
  4. Step 4: Simplify right side
    10,205.40x = 134,930,351.40
  5. Step 5: Solve for x
    x = 134,930,351.40/10,205.40
  6. Step 6: Final answer
    x = 13,221.47

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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.