Home / 22,058.54-30,440.81-11,987.09

Finding the Fourth Proportional to 22,058.54, 30,440.81 and 11,987.09

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Solution

The fourth proportional to 22,058.54, 30,440.81 and 11,987.09 is: 16,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,058.54 : 30,440.81 = 11,987.09 : x
  2. Step 2: Convert to fraction form
    22,058.54/30,440.81 = 11,987.09/x
  3. Step 3: Cross multiply
    22,058.54x = 30,440.81 × 11,987.09
  4. Step 4: Simplify right side
    22,058.54x = 364,896,729.14
  5. Step 5: Solve for x
    x = 364,896,729.14/22,058.54
  6. Step 6: Final answer
    x = 16,542.20

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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.