Home / 22,236.24-30,681.42-13,280.46

Finding the Fourth Proportional to 22,236.24, 30,681.42 and 13,280.46

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Solution

The fourth proportional to 22,236.24, 30,681.42 and 13,280.46 is: 18,324.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.24 : 30,681.42 = 13,280.46 : x
  2. Step 2: Convert to fraction form
    22,236.24/30,681.42 = 13,280.46/x
  3. Step 3: Cross multiply
    22,236.24x = 30,681.42 × 13,280.46
  4. Step 4: Simplify right side
    22,236.24x = 407,463,371.05
  5. Step 5: Solve for x
    x = 407,463,371.05/22,236.24
  6. Step 6: Final answer
    x = 18,324.29

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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.