Home / 22,377.08-30,880.46-13,998.36

Finding the Fourth Proportional to 22,377.08, 30,880.46 and 13,998.36

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Solution

The fourth proportional to 22,377.08, 30,880.46 and 13,998.36 is: 19,317.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,377.08 : 30,880.46 = 13,998.36 : x
  2. Step 2: Convert to fraction form
    22,377.08/30,880.46 = 13,998.36/x
  3. Step 3: Cross multiply
    22,377.08x = 30,880.46 × 13,998.36
  4. Step 4: Simplify right side
    22,377.08x = 432,275,796.05
  5. Step 5: Solve for x
    x = 432,275,796.05/22,377.08
  6. Step 6: Final answer
    x = 19,317.79

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Double scale
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Similar ratio
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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.