Home / 11,508.06-15,879.78-6,472.02

Finding the Fourth Proportional to 11,508.06, 15,879.78 and 6,472.02

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Solution

The fourth proportional to 11,508.06, 15,879.78 and 6,472.02 is: 8,930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508.06 : 15,879.78 = 6,472.02 : x
  2. Step 2: Convert to fraction form
    11,508.06/15,879.78 = 6,472.02/x
  3. Step 3: Cross multiply
    11,508.06x = 15,879.78 × 6,472.02
  4. Step 4: Simplify right side
    11,508.06x = 102,774,253.76
  5. Step 5: Solve for x
    x = 102,774,253.76/11,508.06
  6. Step 6: Final answer
    x = 8,930.63

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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.