Home / 18,450.55-25,462.83-13,967.20

Finding the Fourth Proportional to 18,450.55, 25,462.83 and 13,967.20

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Solution

The fourth proportional to 18,450.55, 25,462.83 and 13,967.20 is: 19,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.55 : 25,462.83 = 13,967.20 : x
  2. Step 2: Convert to fraction form
    18,450.55/25,462.83 = 13,967.20/x
  3. Step 3: Cross multiply
    18,450.55x = 25,462.83 × 13,967.20
  4. Step 4: Simplify right side
    18,450.55x = 355,644,439.18
  5. Step 5: Solve for x
    x = 355,644,439.18/18,450.55
  6. Step 6: Final answer
    x = 19,275.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.