Home / 9,705.11-13,397.25-6,123.29

Finding the Fourth Proportional to 9,705.11, 13,397.25 and 6,123.29

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Solution

The fourth proportional to 9,705.11, 13,397.25 and 6,123.29 is: 8,452.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,705.11 : 13,397.25 = 6,123.29 : x
  2. Step 2: Convert to fraction form
    9,705.11/13,397.25 = 6,123.29/x
  3. Step 3: Cross multiply
    9,705.11x = 13,397.25 × 6,123.29
  4. Step 4: Simplify right side
    9,705.11x = 82,035,179.97
  5. Step 5: Solve for x
    x = 82,035,179.97/9,705.11
  6. Step 6: Final answer
    x = 8,452.79

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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.