Home / 18,727.53-28,092.09-6,247.97

Finding the Fourth Proportional to 18,727.53, 28,092.09 and 6,247.97

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Solution

The fourth proportional to 18,727.53, 28,092.09 and 6,247.97 is: 9,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.53 : 28,092.09 = 6,247.97 : x
  2. Step 2: Convert to fraction form
    18,727.53/28,092.09 = 6,247.97/x
  3. Step 3: Cross multiply
    18,727.53x = 28,092.09 × 6,247.97
  4. Step 4: Simplify right side
    18,727.53x = 175,518,395.10
  5. Step 5: Solve for x
    x = 175,518,395.10/18,727.53
  6. Step 6: Final answer
    x = 9,372.21

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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.