Home / 11,816.10-17,702.55-9,612.90

Finding the Fourth Proportional to 11,816.10, 17,702.55 and 9,612.90

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Solution

The fourth proportional to 11,816.10, 17,702.55 and 9,612.90 is: 14,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.10 : 17,702.55 = 9,612.90 : x
  2. Step 2: Convert to fraction form
    11,816.10/17,702.55 = 9,612.90/x
  3. Step 3: Cross multiply
    11,816.10x = 17,702.55 × 9,612.90
  4. Step 4: Simplify right side
    11,816.10x = 170,172,842.90
  5. Step 5: Solve for x
    x = 170,172,842.90/11,816.10
  6. Step 6: Final answer
    x = 14,401.78

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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.