Home / 18,755.02-28,146.37-8,894.32

Finding the Fourth Proportional to 18,755.02, 28,146.37 and 8,894.32

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Solution

The fourth proportional to 18,755.02, 28,146.37 and 8,894.32 is: 13,348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755.02 : 28,146.37 = 8,894.32 : x
  2. Step 2: Convert to fraction form
    18,755.02/28,146.37 = 8,894.32/x
  3. Step 3: Cross multiply
    18,755.02x = 28,146.37 × 8,894.32
  4. Step 4: Simplify right side
    18,755.02x = 250,342,821.62
  5. Step 5: Solve for x
    x = 250,342,821.62/18,755.02
  6. Step 6: Final answer
    x = 13,348.04

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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.