Home / 11,651.34-17,477.28-3,860.76

Finding the Fourth Proportional to 11,651.34, 17,477.28 and 3,860.76

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Solution

The fourth proportional to 11,651.34, 17,477.28 and 3,860.76 is: 5,791.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,651.34 : 17,477.28 = 3,860.76 : x
  2. Step 2: Convert to fraction form
    11,651.34/17,477.28 = 3,860.76/x
  3. Step 3: Cross multiply
    11,651.34x = 17,477.28 × 3,860.76
  4. Step 4: Simplify right side
    11,651.34x = 67,475,583.53
  5. Step 5: Solve for x
    x = 67,475,583.53/11,651.34
  6. Step 6: Final answer
    x = 5,791.23

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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.