Home / 20,017.82-30,044.92-10,665.66

Finding the Fourth Proportional to 20,017.82, 30,044.92 and 10,665.66

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Solution

The fourth proportional to 20,017.82, 30,044.92 and 10,665.66 is: 16,008.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.82 : 30,044.92 = 10,665.66 : x
  2. Step 2: Convert to fraction form
    20,017.82/30,044.92 = 10,665.66/x
  3. Step 3: Cross multiply
    20,017.82x = 30,044.92 × 10,665.66
  4. Step 4: Simplify right side
    20,017.82x = 320,448,901.45
  5. Step 5: Solve for x
    x = 320,448,901.45/20,017.82
  6. Step 6: Final answer
    x = 16,008.18

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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.