Home / 22,236.44-30,681.12-13,286.84

Finding the Fourth Proportional to 22,236.44, 30,681.12 and 13,286.84

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Solution

The fourth proportional to 22,236.44, 30,681.12 and 13,286.84 is: 18,332.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.44 : 30,681.12 = 13,286.84 : x
  2. Step 2: Convert to fraction form
    22,236.44/30,681.12 = 13,286.84/x
  3. Step 3: Cross multiply
    22,236.44x = 30,681.12 × 13,286.84
  4. Step 4: Simplify right side
    22,236.44x = 407,655,132.46
  5. Step 5: Solve for x
    x = 407,655,132.46/22,236.44
  6. Step 6: Final answer
    x = 18,332.75

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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.