Home / 22,318.28-30,796.94-13,365.56

Finding the Fourth Proportional to 22,318.28, 30,796.94 and 13,365.56

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Solution

The fourth proportional to 22,318.28, 30,796.94 and 13,365.56 is: 18,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,318.28 : 30,796.94 = 13,365.56 : x
  2. Step 2: Convert to fraction form
    22,318.28/30,796.94 = 13,365.56/x
  3. Step 3: Cross multiply
    22,318.28x = 30,796.94 × 13,365.56
  4. Step 4: Simplify right side
    22,318.28x = 411,618,349.39
  5. Step 5: Solve for x
    x = 411,618,349.39/22,318.28
  6. Step 6: Final answer
    x = 18,443.10

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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.