Home / 17,488.80-26,236.98-8,121.96

Finding the Fourth Proportional to 17,488.80, 26,236.98 and 8,121.96

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Solution

The fourth proportional to 17,488.80, 26,236.98 and 8,121.96 is: 12,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,488.80 : 26,236.98 = 8,121.96 : x
  2. Step 2: Convert to fraction form
    17,488.80/26,236.98 = 8,121.96/x
  3. Step 3: Cross multiply
    17,488.80x = 26,236.98 × 8,121.96
  4. Step 4: Simplify right side
    17,488.80x = 213,095,702.08
  5. Step 5: Solve for x
    x = 213,095,702.08/17,488.80
  6. Step 6: Final answer
    x = 12,184.70

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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.