Home / 10,787.07-16,166.70-5,229.66

Finding the Fourth Proportional to 10,787.07, 16,166.70 and 5,229.66

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Solution

The fourth proportional to 10,787.07, 16,166.70 and 5,229.66 is: 7,837.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.07 : 16,166.70 = 5,229.66 : x
  2. Step 2: Convert to fraction form
    10,787.07/16,166.70 = 5,229.66/x
  3. Step 3: Cross multiply
    10,787.07x = 16,166.70 × 5,229.66
  4. Step 4: Simplify right side
    10,787.07x = 84,546,344.32
  5. Step 5: Solve for x
    x = 84,546,344.32/10,787.07
  6. Step 6: Final answer
    x = 7,837.75

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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.