Home / 22,718.34-31,351.32-13,285.08

Finding the Fourth Proportional to 22,718.34, 31,351.32 and 13,285.08

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Solution

The fourth proportional to 22,718.34, 31,351.32 and 13,285.08 is: 18,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,718.34 : 31,351.32 = 13,285.08 : x
  2. Step 2: Convert to fraction form
    22,718.34/31,351.32 = 13,285.08/x
  3. Step 3: Cross multiply
    22,718.34x = 31,351.32 × 13,285.08
  4. Step 4: Simplify right side
    22,718.34x = 416,504,794.31
  5. Step 5: Solve for x
    x = 416,504,794.31/22,718.34
  6. Step 6: Final answer
    x = 18,333.42

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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.