Home / 11,040.10-15,229.98-6,560.68

Finding the Fourth Proportional to 11,040.10, 15,229.98 and 6,560.68

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Solution

The fourth proportional to 11,040.10, 15,229.98 and 6,560.68 is: 9,050.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.10 : 15,229.98 = 6,560.68 : x
  2. Step 2: Convert to fraction form
    11,040.10/15,229.98 = 6,560.68/x
  3. Step 3: Cross multiply
    11,040.10x = 15,229.98 × 6,560.68
  4. Step 4: Simplify right side
    11,040.10x = 99,919,025.19
  5. Step 5: Solve for x
    x = 99,919,025.19/11,040.10
  6. Step 6: Final answer
    x = 9,050.55

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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.