Home / 18,281.10-27,365.97-11,711.85

Finding the Fourth Proportional to 18,281.10, 27,365.97 and 11,711.85

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Solution

The fourth proportional to 18,281.10, 27,365.97 and 11,711.85 is: 17,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.10 : 27,365.97 = 11,711.85 : x
  2. Step 2: Convert to fraction form
    18,281.10/27,365.97 = 11,711.85/x
  3. Step 3: Cross multiply
    18,281.10x = 27,365.97 × 11,711.85
  4. Step 4: Simplify right side
    18,281.10x = 320,506,135.74
  5. Step 5: Solve for x
    x = 320,506,135.74/18,281.10
  6. Step 6: Final answer
    x = 17,532.10

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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.