Home / 20,008.18-30,013.79-5,967.11

Finding the Fourth Proportional to 20,008.18, 30,013.79 and 5,967.11

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Solution

The fourth proportional to 20,008.18, 30,013.79 and 5,967.11 is: 8,951.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.18 : 30,013.79 = 5,967.11 : x
  2. Step 2: Convert to fraction form
    20,008.18/30,013.79 = 5,967.11/x
  3. Step 3: Cross multiply
    20,008.18x = 30,013.79 × 5,967.11
  4. Step 4: Simplify right side
    20,008.18x = 179,095,665.21
  5. Step 5: Solve for x
    x = 179,095,665.21/20,008.18
  6. Step 6: Final answer
    x = 8,951.12

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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.