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Finding the Fourth Proportional to 17,801.87, 26,702.51 and 7,269.57

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Solution

The fourth proportional to 17,801.87, 26,702.51 and 7,269.57 is: 10,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,801.87 : 26,702.51 = 7,269.57 : x
  2. Step 2: Convert to fraction form
    17,801.87/26,702.51 = 7,269.57/x
  3. Step 3: Cross multiply
    17,801.87x = 26,702.51 × 7,269.57
  4. Step 4: Simplify right side
    17,801.87x = 194,115,729.27
  5. Step 5: Solve for x
    x = 194,115,729.27/17,801.87
  6. Step 6: Final answer
    x = 10,904.24

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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.