Home / 9,308.70-13,960.76-5,561.55

Finding the Fourth Proportional to 9,308.70, 13,960.76 and 5,561.55

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Solution

The fourth proportional to 9,308.70, 13,960.76 and 5,561.55 is: 8,340.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308.70 : 13,960.76 = 5,561.55 : x
  2. Step 2: Convert to fraction form
    9,308.70/13,960.76 = 5,561.55/x
  3. Step 3: Cross multiply
    9,308.70x = 13,960.76 × 5,561.55
  4. Step 4: Simplify right side
    9,308.70x = 77,643,436.97
  5. Step 5: Solve for x
    x = 77,643,436.97/9,308.70
  6. Step 6: Final answer
    x = 8,340.95

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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.