Home / 11,856.04-17,785.92-7,179.46

Finding the Fourth Proportional to 11,856.04, 17,785.92 and 7,179.46

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Solution

The fourth proportional to 11,856.04, 17,785.92 and 7,179.46 is: 10,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.04 : 17,785.92 = 7,179.46 : x
  2. Step 2: Convert to fraction form
    11,856.04/17,785.92 = 7,179.46/x
  3. Step 3: Cross multiply
    11,856.04x = 17,785.92 × 7,179.46
  4. Step 4: Simplify right side
    11,856.04x = 127,693,301.20
  5. Step 5: Solve for x
    x = 127,693,301.20/11,856.04
  6. Step 6: Final answer
    x = 10,770.32

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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.