Home / 9,708.39-13,397.55-5,517.45

Finding the Fourth Proportional to 9,708.39, 13,397.55 and 5,517.45

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Solution

The fourth proportional to 9,708.39, 13,397.55 and 5,517.45 is: 7,614.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,708.39 : 13,397.55 = 5,517.45 : x
  2. Step 2: Convert to fraction form
    9,708.39/13,397.55 = 5,517.45/x
  3. Step 3: Cross multiply
    9,708.39x = 13,397.55 × 5,517.45
  4. Step 4: Simplify right side
    9,708.39x = 73,920,312.25
  5. Step 5: Solve for x
    x = 73,920,312.25/9,708.39
  6. Step 6: Final answer
    x = 7,614.06

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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.