Home / 18,521.42-25,554.33-10,964.43

Finding the Fourth Proportional to 18,521.42, 25,554.33 and 10,964.43

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Solution

The fourth proportional to 18,521.42, 25,554.33 and 10,964.43 is: 15,127.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.42 : 25,554.33 = 10,964.43 : x
  2. Step 2: Convert to fraction form
    18,521.42/25,554.33 = 10,964.43/x
  3. Step 3: Cross multiply
    18,521.42x = 25,554.33 × 10,964.43
  4. Step 4: Simplify right side
    18,521.42x = 280,188,662.48
  5. Step 5: Solve for x
    x = 280,188,662.48/18,521.42
  6. Step 6: Final answer
    x = 15,127.82

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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.