Home / 18,934.08-28,398.60-5,084.16

Finding the Fourth Proportional to 18,934.08, 28,398.60 and 5,084.16

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Solution

The fourth proportional to 18,934.08, 28,398.60 and 5,084.16 is: 7,625.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.08 : 28,398.60 = 5,084.16 : x
  2. Step 2: Convert to fraction form
    18,934.08/28,398.60 = 5,084.16/x
  3. Step 3: Cross multiply
    18,934.08x = 28,398.60 × 5,084.16
  4. Step 4: Simplify right side
    18,934.08x = 144,383,026.18
  5. Step 5: Solve for x
    x = 144,383,026.18/18,934.08
  6. Step 6: Final answer
    x = 7,625.56

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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.