Home / 22,013.28-30,361.40-14,840.56

Finding the Fourth Proportional to 22,013.28, 30,361.40 and 14,840.56

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Solution

The fourth proportional to 22,013.28, 30,361.40 and 14,840.56 is: 20,468.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,013.28 : 30,361.40 = 14,840.56 : x
  2. Step 2: Convert to fraction form
    22,013.28/30,361.40 = 14,840.56/x
  3. Step 3: Cross multiply
    22,013.28x = 30,361.40 × 14,840.56
  4. Step 4: Simplify right side
    22,013.28x = 450,580,178.38
  5. Step 5: Solve for x
    x = 450,580,178.38/22,013.28
  6. Step 6: Final answer
    x = 20,468.56

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Half scale
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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.