Home / 18,020.39-27,030.56-9,134.33

Finding the Fourth Proportional to 18,020.39, 27,030.56 and 9,134.33

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Solution

The fourth proportional to 18,020.39, 27,030.56 and 9,134.33 is: 13,701.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.39 : 27,030.56 = 9,134.33 : x
  2. Step 2: Convert to fraction form
    18,020.39/27,030.56 = 9,134.33/x
  3. Step 3: Cross multiply
    18,020.39x = 27,030.56 × 9,134.33
  4. Step 4: Simplify right side
    18,020.39x = 246,905,874.30
  5. Step 5: Solve for x
    x = 246,905,874.30/18,020.39
  6. Step 6: Final answer
    x = 13,701.48

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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.