Home / 20,674.37-30,993.10-9,565.78

Finding the Fourth Proportional to 20,674.37, 30,993.10 and 9,565.78

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Solution

The fourth proportional to 20,674.37, 30,993.10 and 9,565.78 is: 14,340.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,674.37 : 30,993.10 = 9,565.78 : x
  2. Step 2: Convert to fraction form
    20,674.37/30,993.10 = 9,565.78/x
  3. Step 3: Cross multiply
    20,674.37x = 30,993.10 × 9,565.78
  4. Step 4: Simplify right side
    20,674.37x = 296,472,973.32
  5. Step 5: Solve for x
    x = 296,472,973.32/20,674.37
  6. Step 6: Final answer
    x = 14,340.12

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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.