Home / 9,619.67-13,272.85-6,634.55

Finding the Fourth Proportional to 9,619.67, 13,272.85 and 6,634.55

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Solution

The fourth proportional to 9,619.67, 13,272.85 and 6,634.55 is: 9,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.67 : 13,272.85 = 6,634.55 : x
  2. Step 2: Convert to fraction form
    9,619.67/13,272.85 = 6,634.55/x
  3. Step 3: Cross multiply
    9,619.67x = 13,272.85 × 6,634.55
  4. Step 4: Simplify right side
    9,619.67x = 88,059,386.97
  5. Step 5: Solve for x
    x = 88,059,386.97/9,619.67
  6. Step 6: Final answer
    x = 9,154.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.