Home / 22,380.48-30,905.68-14,436.32

Finding the Fourth Proportional to 22,380.48, 30,905.68 and 14,436.32

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Solution

The fourth proportional to 22,380.48, 30,905.68 and 14,436.32 is: 19,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,380.48 : 30,905.68 = 14,436.32 : x
  2. Step 2: Convert to fraction form
    22,380.48/30,905.68 = 14,436.32/x
  3. Step 3: Cross multiply
    22,380.48x = 30,905.68 × 14,436.32
  4. Step 4: Simplify right side
    22,380.48x = 446,164,286.30
  5. Step 5: Solve for x
    x = 446,164,286.30/22,380.48
  6. Step 6: Final answer
    x = 19,935.42

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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.