Home / 18,068.54-27,083.61-8,702.72

Finding the Fourth Proportional to 18,068.54, 27,083.61 and 8,702.72

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Solution

The fourth proportional to 18,068.54, 27,083.61 and 8,702.72 is: 13,044.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,068.54 : 27,083.61 = 8,702.72 : x
  2. Step 2: Convert to fraction form
    18,068.54/27,083.61 = 8,702.72/x
  3. Step 3: Cross multiply
    18,068.54x = 27,083.61 × 8,702.72
  4. Step 4: Simplify right side
    18,068.54x = 235,701,074.42
  5. Step 5: Solve for x
    x = 235,701,074.42/18,068.54
  6. Step 6: Final answer
    x = 13,044.83

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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.