Home / 16,503.03-22,768.09-11,398.21

Finding the Fourth Proportional to 16,503.03, 22,768.09 and 11,398.21

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Solution

The fourth proportional to 16,503.03, 22,768.09 and 11,398.21 is: 15,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,503.03 : 22,768.09 = 11,398.21 : x
  2. Step 2: Convert to fraction form
    16,503.03/22,768.09 = 11,398.21/x
  3. Step 3: Cross multiply
    16,503.03x = 22,768.09 × 11,398.21
  4. Step 4: Simplify right side
    16,503.03x = 259,515,385.70
  5. Step 5: Solve for x
    x = 259,515,385.70/16,503.03
  6. Step 6: Final answer
    x = 15,725.32

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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.