Home / 18,017.52-27,039.96-11,775.84

Finding the Fourth Proportional to 18,017.52, 27,039.96 and 11,775.84

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Solution

The fourth proportional to 18,017.52, 27,039.96 and 11,775.84 is: 17,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.52 : 27,039.96 = 11,775.84 : x
  2. Step 2: Convert to fraction form
    18,017.52/27,039.96 = 11,775.84/x
  3. Step 3: Cross multiply
    18,017.52x = 27,039.96 × 11,775.84
  4. Step 4: Simplify right side
    18,017.52x = 318,418,242.57
  5. Step 5: Solve for x
    x = 318,418,242.57/18,017.52
  6. Step 6: Final answer
    x = 17,672.70

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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.