Home / 11,044.77-15,247.43-8,521.21

Finding the Fourth Proportional to 11,044.77, 15,247.43 and 8,521.21

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Solution

The fourth proportional to 11,044.77, 15,247.43 and 8,521.21 is: 11,763.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,044.77 : 15,247.43 = 8,521.21 : x
  2. Step 2: Convert to fraction form
    11,044.77/15,247.43 = 8,521.21/x
  3. Step 3: Cross multiply
    11,044.77x = 15,247.43 × 8,521.21
  4. Step 4: Simplify right side
    11,044.77x = 129,926,552.99
  5. Step 5: Solve for x
    x = 129,926,552.99/11,044.77
  6. Step 6: Final answer
    x = 11,763.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.