Home / 11,865.78-16,373.31-6,560.70

Finding the Fourth Proportional to 11,865.78, 16,373.31 and 6,560.70

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Solution

The fourth proportional to 11,865.78, 16,373.31 and 6,560.70 is: 9,052.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.78 : 16,373.31 = 6,560.70 : x
  2. Step 2: Convert to fraction form
    11,865.78/16,373.31 = 6,560.70/x
  3. Step 3: Cross multiply
    11,865.78x = 16,373.31 × 6,560.70
  4. Step 4: Simplify right side
    11,865.78x = 107,420,374.92
  5. Step 5: Solve for x
    x = 107,420,374.92/11,865.78
  6. Step 6: Final answer
    x = 9,052.96

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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.