Home / 11,578.44-17,362.50-3,678.72

Finding the Fourth Proportional to 11,578.44, 17,362.50 and 3,678.72

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Solution

The fourth proportional to 11,578.44, 17,362.50 and 3,678.72 is: 5,516.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,578.44 : 17,362.50 = 3,678.72 : x
  2. Step 2: Convert to fraction form
    11,578.44/17,362.50 = 3,678.72/x
  3. Step 3: Cross multiply
    11,578.44x = 17,362.50 × 3,678.72
  4. Step 4: Simplify right side
    11,578.44x = 63,871,776
  5. Step 5: Solve for x
    x = 63,871,776/11,578.44
  6. Step 6: Final answer
    x = 5,516.44

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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.