Home / 18,347.50-27,521.37-5,020.20

Finding the Fourth Proportional to 18,347.50, 27,521.37 and 5,020.20

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Solution

The fourth proportional to 18,347.50, 27,521.37 and 5,020.20 is: 7,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.50 : 27,521.37 = 5,020.20 : x
  2. Step 2: Convert to fraction form
    18,347.50/27,521.37 = 5,020.20/x
  3. Step 3: Cross multiply
    18,347.50x = 27,521.37 × 5,020.20
  4. Step 4: Simplify right side
    18,347.50x = 138,162,618.97
  5. Step 5: Solve for x
    x = 138,162,618.97/18,347.50
  6. Step 6: Final answer
    x = 7,530.33

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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.