Home / 17,742.97-26,590.81-8,385.47

Finding the Fourth Proportional to 17,742.97, 26,590.81 and 8,385.47

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Solution

The fourth proportional to 17,742.97, 26,590.81 and 8,385.47 is: 12,567.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,742.97 : 26,590.81 = 8,385.47 : x
  2. Step 2: Convert to fraction form
    17,742.97/26,590.81 = 8,385.47/x
  3. Step 3: Cross multiply
    17,742.97x = 26,590.81 × 8,385.47
  4. Step 4: Simplify right side
    17,742.97x = 222,976,439.53
  5. Step 5: Solve for x
    x = 222,976,439.53/17,742.97
  6. Step 6: Final answer
    x = 12,567.03

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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.