Home / 11,233.80-16,850.70-5,387.40

Finding the Fourth Proportional to 11,233.80, 16,850.70 and 5,387.40

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Solution

The fourth proportional to 11,233.80, 16,850.70 and 5,387.40 is: 8,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,233.80 : 16,850.70 = 5,387.40 : x
  2. Step 2: Convert to fraction form
    11,233.80/16,850.70 = 5,387.40/x
  3. Step 3: Cross multiply
    11,233.80x = 16,850.70 × 5,387.40
  4. Step 4: Simplify right side
    11,233.80x = 90,781,461.18
  5. Step 5: Solve for x
    x = 90,781,461.18/11,233.80
  6. Step 6: Final answer
    x = 8,081.10

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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.