Home / 17,948.98-26,928.96-9,190.09

Finding the Fourth Proportional to 17,948.98, 26,928.96 and 9,190.09

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Solution

The fourth proportional to 17,948.98, 26,928.96 and 9,190.09 is: 13,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,948.98 : 26,928.96 = 9,190.09 : x
  2. Step 2: Convert to fraction form
    17,948.98/26,928.96 = 9,190.09/x
  3. Step 3: Cross multiply
    17,948.98x = 26,928.96 × 9,190.09
  4. Step 4: Simplify right side
    17,948.98x = 247,479,566.01
  5. Step 5: Solve for x
    x = 247,479,566.01/17,948.98
  6. Step 6: Final answer
    x = 13,787.95

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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.