Home / 20,374.34-30,551.43-7,224.74

Finding the Fourth Proportional to 20,374.34, 30,551.43 and 7,224.74

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Solution

The fourth proportional to 20,374.34, 30,551.43 and 7,224.74 is: 10,833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,374.34 : 30,551.43 = 7,224.74 : x
  2. Step 2: Convert to fraction form
    20,374.34/30,551.43 = 7,224.74/x
  3. Step 3: Cross multiply
    20,374.34x = 30,551.43 × 7,224.74
  4. Step 4: Simplify right side
    20,374.34x = 220,726,138.38
  5. Step 5: Solve for x
    x = 220,726,138.38/20,374.34
  6. Step 6: Final answer
    x = 10,833.54

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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.