Home / 18,252.72-27,387.51-7,162.35

Finding the Fourth Proportional to 18,252.72, 27,387.51 and 7,162.35

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Solution

The fourth proportional to 18,252.72, 27,387.51 and 7,162.35 is: 10,746.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,252.72 : 27,387.51 = 7,162.35 : x
  2. Step 2: Convert to fraction form
    18,252.72/27,387.51 = 7,162.35/x
  3. Step 3: Cross multiply
    18,252.72x = 27,387.51 × 7,162.35
  4. Step 4: Simplify right side
    18,252.72x = 196,158,932.25
  5. Step 5: Solve for x
    x = 196,158,932.25/18,252.72
  6. Step 6: Final answer
    x = 10,746.83

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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.