Home / 23,145.14-31,940.33-12,534.75

Finding the Fourth Proportional to 23,145.14, 31,940.33 and 12,534.75

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Solution

The fourth proportional to 23,145.14, 31,940.33 and 12,534.75 is: 17,297.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.14 : 31,940.33 = 12,534.75 : x
  2. Step 2: Convert to fraction form
    23,145.14/31,940.33 = 12,534.75/x
  3. Step 3: Cross multiply
    23,145.14x = 31,940.33 × 12,534.75
  4. Step 4: Simplify right side
    23,145.14x = 400,363,988.79
  5. Step 5: Solve for x
    x = 400,363,988.79/23,145.14
  6. Step 6: Final answer
    x = 17,297.97

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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.