Home / 11,132.10-16,698.20-9,042.18

Finding the Fourth Proportional to 11,132.10, 16,698.20 and 9,042.18

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Solution

The fourth proportional to 11,132.10, 16,698.20 and 9,042.18 is: 13,563.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.10 : 16,698.20 = 9,042.18 : x
  2. Step 2: Convert to fraction form
    11,132.10/16,698.20 = 9,042.18/x
  3. Step 3: Cross multiply
    11,132.10x = 16,698.20 × 9,042.18
  4. Step 4: Simplify right side
    11,132.10x = 150,988,084.87
  5. Step 5: Solve for x
    x = 150,988,084.87/11,132.10
  6. Step 6: Final answer
    x = 13,563.31

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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.