Home / 20,368.75-30,553.31-8,056.75

Finding the Fourth Proportional to 20,368.75, 30,553.31 and 8,056.75

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Solution

The fourth proportional to 20,368.75, 30,553.31 and 8,056.75 is: 12,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368.75 : 30,553.31 = 8,056.75 : x
  2. Step 2: Convert to fraction form
    20,368.75/30,553.31 = 8,056.75/x
  3. Step 3: Cross multiply
    20,368.75x = 30,553.31 × 8,056.75
  4. Step 4: Simplify right side
    20,368.75x = 246,160,380.34
  5. Step 5: Solve for x
    x = 246,160,380.34/20,368.75
  6. Step 6: Final answer
    x = 12,085.20

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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.