Home / 10,369.92-15,554.89-2,578.73

Finding the Fourth Proportional to 10,369.92, 15,554.89 and 2,578.73

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Solution

The fourth proportional to 10,369.92, 15,554.89 and 2,578.73 is: 3,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.92 : 15,554.89 = 2,578.73 : x
  2. Step 2: Convert to fraction form
    10,369.92/15,554.89 = 2,578.73/x
  3. Step 3: Cross multiply
    10,369.92x = 15,554.89 × 2,578.73
  4. Step 4: Simplify right side
    10,369.92x = 40,111,903.60
  5. Step 5: Solve for x
    x = 40,111,903.60/10,369.92
  6. Step 6: Final answer
    x = 3,868.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.