Home / 18,743.01-28,106.25-7,048

Finding the Fourth Proportional to 18,743.01, 28,106.25 and 7,048

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Solution

The fourth proportional to 18,743.01, 28,106.25 and 7,048 is: 10,568.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.01 : 28,106.25 = 7,048 : x
  2. Step 2: Convert to fraction form
    18,743.01/28,106.25 = 7,048/x
  3. Step 3: Cross multiply
    18,743.01x = 28,106.25 × 7,048
  4. Step 4: Simplify right side
    18,743.01x = 198,092,850
  5. Step 5: Solve for x
    x = 198,092,850/18,743.01
  6. Step 6: Final answer
    x = 10,568.89

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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.