Home / 20,264.24-30,340.38-10,382.24

Finding the Fourth Proportional to 20,264.24, 30,340.38 and 10,382.24

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Solution

The fourth proportional to 20,264.24, 30,340.38 and 10,382.24 is: 15,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.24 : 30,340.38 = 10,382.24 : x
  2. Step 2: Convert to fraction form
    20,264.24/30,340.38 = 10,382.24/x
  3. Step 3: Cross multiply
    20,264.24x = 30,340.38 × 10,382.24
  4. Step 4: Simplify right side
    20,264.24x = 315,001,106.85
  5. Step 5: Solve for x
    x = 315,001,106.85/20,264.24
  6. Step 6: Final answer
    x = 15,544.68

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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.