Home / 18,641.10-27,966.87-5,493.18

Finding the Fourth Proportional to 18,641.10, 27,966.87 and 5,493.18

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Solution

The fourth proportional to 18,641.10, 27,966.87 and 5,493.18 is: 8,241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,641.10 : 27,966.87 = 5,493.18 : x
  2. Step 2: Convert to fraction form
    18,641.10/27,966.87 = 5,493.18/x
  3. Step 3: Cross multiply
    18,641.10x = 27,966.87 × 5,493.18
  4. Step 4: Simplify right side
    18,641.10x = 153,627,050.95
  5. Step 5: Solve for x
    x = 153,627,050.95/18,641.10
  6. Step 6: Final answer
    x = 8,241.31

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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.