Home / 22,525.07-31,084.79-12,453.68

Finding the Fourth Proportional to 22,525.07, 31,084.79 and 12,453.68

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Solution

The fourth proportional to 22,525.07, 31,084.79 and 12,453.68 is: 17,186.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,525.07 : 31,084.79 = 12,453.68 : x
  2. Step 2: Convert to fraction form
    22,525.07/31,084.79 = 12,453.68/x
  3. Step 3: Cross multiply
    22,525.07x = 31,084.79 × 12,453.68
  4. Step 4: Simplify right side
    22,525.07x = 387,120,110.78
  5. Step 5: Solve for x
    x = 387,120,110.78/22,525.07
  6. Step 6: Final answer
    x = 17,186.19

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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.