Home / 20,165.58-30,237.96-9,062.78

Finding the Fourth Proportional to 20,165.58, 30,237.96 and 9,062.78

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Solution

The fourth proportional to 20,165.58, 30,237.96 and 9,062.78 is: 13,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165.58 : 30,237.96 = 9,062.78 : x
  2. Step 2: Convert to fraction form
    20,165.58/30,237.96 = 9,062.78/x
  3. Step 3: Cross multiply
    20,165.58x = 30,237.96 × 9,062.78
  4. Step 4: Simplify right side
    20,165.58x = 274,039,979.13
  5. Step 5: Solve for x
    x = 274,039,979.13/20,165.58
  6. Step 6: Final answer
    x = 13,589.49

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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.