Home / 23,145.60-31,940.79-12,535.14

Finding the Fourth Proportional to 23,145.60, 31,940.79 and 12,535.14

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Solution

The fourth proportional to 23,145.60, 31,940.79 and 12,535.14 is: 17,298.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.60 : 31,940.79 = 12,535.14 : x
  2. Step 2: Convert to fraction form
    23,145.60/31,940.79 = 12,535.14/x
  3. Step 3: Cross multiply
    23,145.60x = 31,940.79 × 12,535.14
  4. Step 4: Simplify right side
    23,145.60x = 400,382,274.36
  5. Step 5: Solve for x
    x = 400,382,274.36/23,145.60
  6. Step 6: Final answer
    x = 17,298.42

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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.