Home / 17,418.40-26,089.20-9,200.80

Finding the Fourth Proportional to 17,418.40, 26,089.20 and 9,200.80

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Solution

The fourth proportional to 17,418.40, 26,089.20 and 9,200.80 is: 13,780.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,418.40 : 26,089.20 = 9,200.80 : x
  2. Step 2: Convert to fraction form
    17,418.40/26,089.20 = 9,200.80/x
  3. Step 3: Cross multiply
    17,418.40x = 26,089.20 × 9,200.80
  4. Step 4: Simplify right side
    17,418.40x = 240,041,511.36
  5. Step 5: Solve for x
    x = 240,041,511.36/17,418.40
  6. Step 6: Final answer
    x = 13,780.92

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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.