Home / 20,187.66-30,277.92-6,144.30

Finding the Fourth Proportional to 20,187.66, 30,277.92 and 6,144.30

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Solution

The fourth proportional to 20,187.66, 30,277.92 and 6,144.30 is: 9,215.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187.66 : 30,277.92 = 6,144.30 : x
  2. Step 2: Convert to fraction form
    20,187.66/30,277.92 = 6,144.30/x
  3. Step 3: Cross multiply
    20,187.66x = 30,277.92 × 6,144.30
  4. Step 4: Simplify right side
    20,187.66x = 186,036,623.86
  5. Step 5: Solve for x
    x = 186,036,623.86/20,187.66
  6. Step 6: Final answer
    x = 9,215.36

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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.