Home / 11,389.26-16,951.10-11,279.82

Finding the Fourth Proportional to 11,389.26, 16,951.10 and 11,279.82

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Solution

The fourth proportional to 11,389.26, 16,951.10 and 11,279.82 is: 16,788.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.26 : 16,951.10 = 11,279.82 : x
  2. Step 2: Convert to fraction form
    11,389.26/16,951.10 = 11,279.82/x
  3. Step 3: Cross multiply
    11,389.26x = 16,951.10 × 11,279.82
  4. Step 4: Simplify right side
    11,389.26x = 191,205,300.40
  5. Step 5: Solve for x
    x = 191,205,300.40/11,389.26
  6. Step 6: Final answer
    x = 16,788.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.