Home / 22,662.37-31,280.75-13,233.16

Finding the Fourth Proportional to 22,662.37, 31,280.75 and 13,233.16

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Solution

The fourth proportional to 22,662.37, 31,280.75 and 13,233.16 is: 18,265.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,662.37 : 31,280.75 = 13,233.16 : x
  2. Step 2: Convert to fraction form
    22,662.37/31,280.75 = 13,233.16/x
  3. Step 3: Cross multiply
    22,662.37x = 31,280.75 × 13,233.16
  4. Step 4: Simplify right side
    22,662.37x = 413,943,169.67
  5. Step 5: Solve for x
    x = 413,943,169.67/22,662.37
  6. Step 6: Final answer
    x = 18,265.66

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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.