Home / 23,089.54-31,863.49-12,479.14

Finding the Fourth Proportional to 23,089.54, 31,863.49 and 12,479.14

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Solution

The fourth proportional to 23,089.54, 31,863.49 and 12,479.14 is: 17,221.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,089.54 : 31,863.49 = 12,479.14 : x
  2. Step 2: Convert to fraction form
    23,089.54/31,863.49 = 12,479.14/x
  3. Step 3: Cross multiply
    23,089.54x = 31,863.49 × 12,479.14
  4. Step 4: Simplify right side
    23,089.54x = 397,628,952.60
  5. Step 5: Solve for x
    x = 397,628,952.60/23,089.54
  6. Step 6: Final answer
    x = 17,221.17

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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.