Home / 11,488.67-15,853.25-6,451.75

Finding the Fourth Proportional to 11,488.67, 15,853.25 and 6,451.75

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Solution

The fourth proportional to 11,488.67, 15,853.25 and 6,451.75 is: 8,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,488.67 : 15,853.25 = 6,451.75 : x
  2. Step 2: Convert to fraction form
    11,488.67/15,853.25 = 6,451.75/x
  3. Step 3: Cross multiply
    11,488.67x = 15,853.25 × 6,451.75
  4. Step 4: Simplify right side
    11,488.67x = 102,281,094.16
  5. Step 5: Solve for x
    x = 102,281,094.16/11,488.67
  6. Step 6: Final answer
    x = 8,902.78

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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.