Home / 16,427.19-22,671.66-11,388.80

Finding the Fourth Proportional to 16,427.19, 22,671.66 and 11,388.80

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Solution

The fourth proportional to 16,427.19, 22,671.66 and 11,388.80 is: 15,718.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,427.19 : 22,671.66 = 11,388.80 : x
  2. Step 2: Convert to fraction form
    16,427.19/22,671.66 = 11,388.80/x
  3. Step 3: Cross multiply
    16,427.19x = 22,671.66 × 11,388.80
  4. Step 4: Simplify right side
    16,427.19x = 258,202,888.05
  5. Step 5: Solve for x
    x = 258,202,888.05/16,427.19
  6. Step 6: Final answer
    x = 15,718.02

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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.