Home / 9,645.16-13,306.40-6,286.79

Finding the Fourth Proportional to 9,645.16, 13,306.40 and 6,286.79

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Solution

The fourth proportional to 9,645.16, 13,306.40 and 6,286.79 is: 8,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,645.16 : 13,306.40 = 6,286.79 : x
  2. Step 2: Convert to fraction form
    9,645.16/13,306.40 = 6,286.79/x
  3. Step 3: Cross multiply
    9,645.16x = 13,306.40 × 6,286.79
  4. Step 4: Simplify right side
    9,645.16x = 83,654,511.02
  5. Step 5: Solve for x
    x = 83,654,511.02/9,645.16
  6. Step 6: Final answer
    x = 8,673.22

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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.