Home / 9,930.67-13,708.61-6,575.11

Finding the Fourth Proportional to 9,930.67, 13,708.61 and 6,575.11

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Solution

The fourth proportional to 9,930.67, 13,708.61 and 6,575.11 is: 9,076.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.67 : 13,708.61 = 6,575.11 : x
  2. Step 2: Convert to fraction form
    9,930.67/13,708.61 = 6,575.11/x
  3. Step 3: Cross multiply
    9,930.67x = 13,708.61 × 6,575.11
  4. Step 4: Simplify right side
    9,930.67x = 90,135,576.21
  5. Step 5: Solve for x
    x = 90,135,576.21/9,930.67
  6. Step 6: Final answer
    x = 9,076.49

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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.