Home / 20,374.55-30,576.27-9,282.68

Finding the Fourth Proportional to 20,374.55, 30,576.27 and 9,282.68

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Solution

The fourth proportional to 20,374.55, 30,576.27 and 9,282.68 is: 13,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,374.55 : 30,576.27 = 9,282.68 : x
  2. Step 2: Convert to fraction form
    20,374.55/30,576.27 = 9,282.68/x
  3. Step 3: Cross multiply
    20,374.55x = 30,576.27 × 9,282.68
  4. Step 4: Simplify right side
    20,374.55x = 283,829,806.44
  5. Step 5: Solve for x
    x = 283,829,806.44/20,374.55
  6. Step 6: Final answer
    x = 13,930.60

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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.