Home / 17,780.69-26,680.35-11,539.24

Finding the Fourth Proportional to 17,780.69, 26,680.35 and 11,539.24

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Solution

The fourth proportional to 17,780.69, 26,680.35 and 11,539.24 is: 17,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,780.69 : 26,680.35 = 11,539.24 : x
  2. Step 2: Convert to fraction form
    17,780.69/26,680.35 = 11,539.24/x
  3. Step 3: Cross multiply
    17,780.69x = 26,680.35 × 11,539.24
  4. Step 4: Simplify right side
    17,780.69x = 307,870,961.93
  5. Step 5: Solve for x
    x = 307,870,961.93/17,780.69
  6. Step 6: Final answer
    x = 17,314.91

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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.