Home / 20,293.02-30,438.25-6,251.74

Finding the Fourth Proportional to 20,293.02, 30,438.25 and 6,251.74

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Solution

The fourth proportional to 20,293.02, 30,438.25 and 6,251.74 is: 9,377.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.02 : 30,438.25 = 6,251.74 : x
  2. Step 2: Convert to fraction form
    20,293.02/30,438.25 = 6,251.74/x
  3. Step 3: Cross multiply
    20,293.02x = 30,438.25 × 6,251.74
  4. Step 4: Simplify right side
    20,293.02x = 190,291,933.33
  5. Step 5: Solve for x
    x = 190,291,933.33/20,293.02
  6. Step 6: Final answer
    x = 9,377.21

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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.