Home / 10,787.10-16,217.10-9,183.30

Finding the Fourth Proportional to 10,787.10, 16,217.10 and 9,183.30

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Solution

The fourth proportional to 10,787.10, 16,217.10 and 9,183.30 is: 13,805.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.10 : 16,217.10 = 9,183.30 : x
  2. Step 2: Convert to fraction form
    10,787.10/16,217.10 = 9,183.30/x
  3. Step 3: Cross multiply
    10,787.10x = 16,217.10 × 9,183.30
  4. Step 4: Simplify right side
    10,787.10x = 148,926,494.43
  5. Step 5: Solve for x
    x = 148,926,494.43/10,787.10
  6. Step 6: Final answer
    x = 13,805.98

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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.