Home / 11,275.66-15,563.54-6,560.85

Finding the Fourth Proportional to 11,275.66, 15,563.54 and 6,560.85

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Solution

The fourth proportional to 11,275.66, 15,563.54 and 6,560.85 is: 9,055.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.66 : 15,563.54 = 6,560.85 : x
  2. Step 2: Convert to fraction form
    11,275.66/15,563.54 = 6,560.85/x
  3. Step 3: Cross multiply
    11,275.66x = 15,563.54 × 6,560.85
  4. Step 4: Simplify right side
    11,275.66x = 102,110,018.60
  5. Step 5: Solve for x
    x = 102,110,018.60/11,275.66
  6. Step 6: Final answer
    x = 9,055.79

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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.