Home / 12,033.05-18,060.50-11,988.39

Finding the Fourth Proportional to 12,033.05, 18,060.50 and 11,988.39

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Solution

The fourth proportional to 12,033.05, 18,060.50 and 11,988.39 is: 17,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,033.05 : 18,060.50 = 11,988.39 : x
  2. Step 2: Convert to fraction form
    12,033.05/18,060.50 = 11,988.39/x
  3. Step 3: Cross multiply
    12,033.05x = 18,060.50 × 11,988.39
  4. Step 4: Simplify right side
    12,033.05x = 216,516,257.65
  5. Step 5: Solve for x
    x = 216,516,257.65/12,033.05
  6. Step 6: Final answer
    x = 17,993.47

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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.