Home / 20,283.96-30,425.48-9,182.60

Finding the Fourth Proportional to 20,283.96, 30,425.48 and 9,182.60

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Solution

The fourth proportional to 20,283.96, 30,425.48 and 9,182.60 is: 13,773.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,283.96 : 30,425.48 = 9,182.60 : x
  2. Step 2: Convert to fraction form
    20,283.96/30,425.48 = 9,182.60/x
  3. Step 3: Cross multiply
    20,283.96x = 30,425.48 × 9,182.60
  4. Step 4: Simplify right side
    20,283.96x = 279,385,012.65
  5. Step 5: Solve for x
    x = 279,385,012.65/20,283.96
  6. Step 6: Final answer
    x = 13,773.69

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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.