Home / 23,145.30-31,940.46-12,534.96

Finding the Fourth Proportional to 23,145.30, 31,940.46 and 12,534.96

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Solution

The fourth proportional to 23,145.30, 31,940.46 and 12,534.96 is: 17,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.30 : 31,940.46 = 12,534.96 : x
  2. Step 2: Convert to fraction form
    23,145.30/31,940.46 = 12,534.96/x
  3. Step 3: Cross multiply
    23,145.30x = 31,940.46 × 12,534.96
  4. Step 4: Simplify right side
    23,145.30x = 400,372,388.48
  5. Step 5: Solve for x
    x = 400,372,388.48/23,145.30
  6. Step 6: Final answer
    x = 17,298.22

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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.