Home / 11,335.40-16,974.70-7,162.84

Finding the Fourth Proportional to 11,335.40, 16,974.70 and 7,162.84

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Solution

The fourth proportional to 11,335.40, 16,974.70 and 7,162.84 is: 10,726.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.40 : 16,974.70 = 7,162.84 : x
  2. Step 2: Convert to fraction form
    11,335.40/16,974.70 = 7,162.84/x
  3. Step 3: Cross multiply
    11,335.40x = 16,974.70 × 7,162.84
  4. Step 4: Simplify right side
    11,335.40x = 121,587,060.15
  5. Step 5: Solve for x
    x = 121,587,060.15/11,335.40
  6. Step 6: Final answer
    x = 10,726.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.