Home / 15,450.35-21,287.48-10,910.97

Finding the Fourth Proportional to 15,450.35, 21,287.48 and 10,910.97

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Solution

The fourth proportional to 15,450.35, 21,287.48 and 10,910.97 is: 15,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,450.35 : 21,287.48 = 10,910.97 : x
  2. Step 2: Convert to fraction form
    15,450.35/21,287.48 = 10,910.97/x
  3. Step 3: Cross multiply
    15,450.35x = 21,287.48 × 10,910.97
  4. Step 4: Simplify right side
    15,450.35x = 232,267,001.10
  5. Step 5: Solve for x
    x = 232,267,001.10/15,450.35
  6. Step 6: Final answer
    x = 15,033.13

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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.