Home / 18,204.50-27,281.36-13,758.51

Finding the Fourth Proportional to 18,204.50, 27,281.36 and 13,758.51

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Solution

The fourth proportional to 18,204.50, 27,281.36 and 13,758.51 is: 20,618.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.50 : 27,281.36 = 13,758.51 : x
  2. Step 2: Convert to fraction form
    18,204.50/27,281.36 = 13,758.51/x
  3. Step 3: Cross multiply
    18,204.50x = 27,281.36 × 13,758.51
  4. Step 4: Simplify right side
    18,204.50x = 375,350,795.58
  5. Step 5: Solve for x
    x = 375,350,795.58/18,204.50
  6. Step 6: Final answer
    x = 20,618.58

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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.