Home / 11,376.57-17,061.51-3,979.65

Finding the Fourth Proportional to 11,376.57, 17,061.51 and 3,979.65

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Solution

The fourth proportional to 11,376.57, 17,061.51 and 3,979.65 is: 5,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.57 : 17,061.51 = 3,979.65 : x
  2. Step 2: Convert to fraction form
    11,376.57/17,061.51 = 3,979.65/x
  3. Step 3: Cross multiply
    11,376.57x = 17,061.51 × 3,979.65
  4. Step 4: Simplify right side
    11,376.57x = 67,898,838.27
  5. Step 5: Solve for x
    x = 67,898,838.27/11,376.57
  6. Step 6: Final answer
    x = 5,968.30

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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.