Home / 18,943.55-28,418.52-5,792.84

Finding the Fourth Proportional to 18,943.55, 28,418.52 and 5,792.84

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Solution

The fourth proportional to 18,943.55, 28,418.52 and 5,792.84 is: 8,690.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.55 : 28,418.52 = 5,792.84 : x
  2. Step 2: Convert to fraction form
    18,943.55/28,418.52 = 5,792.84/x
  3. Step 3: Cross multiply
    18,943.55x = 28,418.52 × 5,792.84
  4. Step 4: Simplify right side
    18,943.55x = 164,623,939.40
  5. Step 5: Solve for x
    x = 164,623,939.40/18,943.55
  6. Step 6: Final answer
    x = 8,690.24

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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.