Home / 18,601.52-25,670.31-10,103.65

Finding the Fourth Proportional to 18,601.52, 25,670.31 and 10,103.65

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Solution

The fourth proportional to 18,601.52, 25,670.31 and 10,103.65 is: 13,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.52 : 25,670.31 = 10,103.65 : x
  2. Step 2: Convert to fraction form
    18,601.52/25,670.31 = 10,103.65/x
  3. Step 3: Cross multiply
    18,601.52x = 25,670.31 × 10,103.65
  4. Step 4: Simplify right side
    18,601.52x = 259,363,725.57
  5. Step 5: Solve for x
    x = 259,363,725.57/18,601.52
  6. Step 6: Final answer
    x = 13,943.15

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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.