Home / 18,825.13-28,230.49-6,341.80

Finding the Fourth Proportional to 18,825.13, 28,230.49 and 6,341.80

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Solution

The fourth proportional to 18,825.13, 28,230.49 and 6,341.80 is: 9,510.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.13 : 28,230.49 = 6,341.80 : x
  2. Step 2: Convert to fraction form
    18,825.13/28,230.49 = 6,341.80/x
  3. Step 3: Cross multiply
    18,825.13x = 28,230.49 × 6,341.80
  4. Step 4: Simplify right side
    18,825.13x = 179,032,121.48
  5. Step 5: Solve for x
    x = 179,032,121.48/18,825.13
  6. Step 6: Final answer
    x = 9,510.27

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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.