Home / 20,115.57-30,177.63-6,076.65

Finding the Fourth Proportional to 20,115.57, 30,177.63 and 6,076.65

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Solution

The fourth proportional to 20,115.57, 30,177.63 and 6,076.65 is: 9,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,115.57 : 30,177.63 = 6,076.65 : x
  2. Step 2: Convert to fraction form
    20,115.57/30,177.63 = 6,076.65/x
  3. Step 3: Cross multiply
    20,115.57x = 30,177.63 × 6,076.65
  4. Step 4: Simplify right side
    20,115.57x = 183,378,895.34
  5. Step 5: Solve for x
    x = 183,378,895.34/20,115.57
  6. Step 6: Final answer
    x = 9,116.27

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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.