Home / 17,880.09-26,822.49-6,633.90

Finding the Fourth Proportional to 17,880.09, 26,822.49 and 6,633.90

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Solution

The fourth proportional to 17,880.09, 26,822.49 and 6,633.90 is: 9,951.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880.09 : 26,822.49 = 6,633.90 : x
  2. Step 2: Convert to fraction form
    17,880.09/26,822.49 = 6,633.90/x
  3. Step 3: Cross multiply
    17,880.09x = 26,822.49 × 6,633.90
  4. Step 4: Simplify right side
    17,880.09x = 177,937,590.95
  5. Step 5: Solve for x
    x = 177,937,590.95/17,880.09
  6. Step 6: Final answer
    x = 9,951.72

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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.