Home / 15,150.40-22,746.80-7,759.96

Finding the Fourth Proportional to 15,150.40, 22,746.80 and 7,759.96

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Solution

The fourth proportional to 15,150.40, 22,746.80 and 7,759.96 is: 11,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150.40 : 22,746.80 = 7,759.96 : x
  2. Step 2: Convert to fraction form
    15,150.40/22,746.80 = 7,759.96/x
  3. Step 3: Cross multiply
    15,150.40x = 22,746.80 × 7,759.96
  4. Step 4: Simplify right side
    15,150.40x = 176,514,258.13
  5. Step 5: Solve for x
    x = 176,514,258.13/15,150.40
  6. Step 6: Final answer
    x = 11,650.80

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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.