Home / 9,528.88-13,149.82-5,279.95

Finding the Fourth Proportional to 9,528.88, 13,149.82 and 5,279.95

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Solution

The fourth proportional to 9,528.88, 13,149.82 and 5,279.95 is: 7,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,528.88 : 13,149.82 = 5,279.95 : x
  2. Step 2: Convert to fraction form
    9,528.88/13,149.82 = 5,279.95/x
  3. Step 3: Cross multiply
    9,528.88x = 13,149.82 × 5,279.95
  4. Step 4: Simplify right side
    9,528.88x = 69,430,392.11
  5. Step 5: Solve for x
    x = 69,430,392.11/9,528.88
  6. Step 6: Final answer
    x = 7,286.31

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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.