Home / 20,177.12-30,270.53-6,326.12

Finding the Fourth Proportional to 20,177.12, 30,270.53 and 6,326.12

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Solution

The fourth proportional to 20,177.12, 30,270.53 and 6,326.12 is: 9,490.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.12 : 30,270.53 = 6,326.12 : x
  2. Step 2: Convert to fraction form
    20,177.12/30,270.53 = 6,326.12/x
  3. Step 3: Cross multiply
    20,177.12x = 30,270.53 × 6,326.12
  4. Step 4: Simplify right side
    20,177.12x = 191,494,822.26
  5. Step 5: Solve for x
    x = 191,494,822.26/20,177.12
  6. Step 6: Final answer
    x = 9,490.69

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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.