Home / 11,275.92-15,560.70-6,560.52

Finding the Fourth Proportional to 11,275.92, 15,560.70 and 6,560.52

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Solution

The fourth proportional to 11,275.92, 15,560.70 and 6,560.52 is: 9,053.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.92 : 15,560.70 = 6,560.52 : x
  2. Step 2: Convert to fraction form
    11,275.92/15,560.70 = 6,560.52/x
  3. Step 3: Cross multiply
    11,275.92x = 15,560.70 × 6,560.52
  4. Step 4: Simplify right side
    11,275.92x = 102,086,283.56
  5. Step 5: Solve for x
    x = 102,086,283.56/11,275.92
  6. Step 6: Final answer
    x = 9,053.48

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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.