Home / 9,115.13-13,675.73-3,272.20

Finding the Fourth Proportional to 9,115.13, 13,675.73 and 3,272.20

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Solution

The fourth proportional to 9,115.13, 13,675.73 and 3,272.20 is: 4,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.13 : 13,675.73 = 3,272.20 : x
  2. Step 2: Convert to fraction form
    9,115.13/13,675.73 = 3,272.20/x
  3. Step 3: Cross multiply
    9,115.13x = 13,675.73 × 3,272.20
  4. Step 4: Simplify right side
    9,115.13x = 44,749,723.71
  5. Step 5: Solve for x
    x = 44,749,723.71/9,115.13
  6. Step 6: Final answer
    x = 4,909.39

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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.