Home / 17,579.90-26,369.96-7,191.65

Finding the Fourth Proportional to 17,579.90, 26,369.96 and 7,191.65

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Solution

The fourth proportional to 17,579.90, 26,369.96 and 7,191.65 is: 10,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,579.90 : 26,369.96 = 7,191.65 : x
  2. Step 2: Convert to fraction form
    17,579.90/26,369.96 = 7,191.65/x
  3. Step 3: Cross multiply
    17,579.90x = 26,369.96 × 7,191.65
  4. Step 4: Simplify right side
    17,579.90x = 189,643,552.80
  5. Step 5: Solve for x
    x = 189,643,552.80/17,579.90
  6. Step 6: Final answer
    x = 10,787.52

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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.