Home / 11,660.42-17,488.95-3,868.22

Finding the Fourth Proportional to 11,660.42, 17,488.95 and 3,868.22

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Solution

The fourth proportional to 11,660.42, 17,488.95 and 3,868.22 is: 5,801.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.42 : 17,488.95 = 3,868.22 : x
  2. Step 2: Convert to fraction form
    11,660.42/17,488.95 = 3,868.22/x
  3. Step 3: Cross multiply
    11,660.42x = 17,488.95 × 3,868.22
  4. Step 4: Simplify right side
    11,660.42x = 67,651,106.17
  5. Step 5: Solve for x
    x = 67,651,106.17/11,660.42
  6. Step 6: Final answer
    x = 5,801.77

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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.