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Finding the Fourth Proportional to 10,787.22, 16,202.97 and 7,094.70

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Solution

The fourth proportional to 10,787.22, 16,202.97 and 7,094.70 is: 10,656.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.22 : 16,202.97 = 7,094.70 : x
  2. Step 2: Convert to fraction form
    10,787.22/16,202.97 = 7,094.70/x
  3. Step 3: Cross multiply
    10,787.22x = 16,202.97 × 7,094.70
  4. Step 4: Simplify right side
    10,787.22x = 114,955,211.26
  5. Step 5: Solve for x
    x = 114,955,211.26/10,787.22
  6. Step 6: Final answer
    x = 10,656.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.