Home / 9,962.39-13,755.77-6,609.90

Finding the Fourth Proportional to 9,962.39, 13,755.77 and 6,609.90

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Solution

The fourth proportional to 9,962.39, 13,755.77 and 6,609.90 is: 9,126.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,962.39 : 13,755.77 = 6,609.90 : x
  2. Step 2: Convert to fraction form
    9,962.39/13,755.77 = 6,609.90/x
  3. Step 3: Cross multiply
    9,962.39x = 13,755.77 × 6,609.90
  4. Step 4: Simplify right side
    9,962.39x = 90,924,344.63
  5. Step 5: Solve for x
    x = 90,924,344.63/9,962.39
  6. Step 6: Final answer
    x = 9,126.76

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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.