Home / 20,264.46-30,399.74-7,114.52

Finding the Fourth Proportional to 20,264.46, 30,399.74 and 7,114.52

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Solution

The fourth proportional to 20,264.46, 30,399.74 and 7,114.52 is: 10,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.46 : 30,399.74 = 7,114.52 : x
  2. Step 2: Convert to fraction form
    20,264.46/30,399.74 = 7,114.52/x
  3. Step 3: Cross multiply
    20,264.46x = 30,399.74 × 7,114.52
  4. Step 4: Simplify right side
    20,264.46x = 216,279,370.65
  5. Step 5: Solve for x
    x = 216,279,370.65/20,264.46
  6. Step 6: Final answer
    x = 10,672.84

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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.