Home / 18,329.44-27,510.36-12,071.92

Finding the Fourth Proportional to 18,329.44, 27,510.36 and 12,071.92

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Solution

The fourth proportional to 18,329.44, 27,510.36 and 12,071.92 is: 18,118.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.44 : 27,510.36 = 12,071.92 : x
  2. Step 2: Convert to fraction form
    18,329.44/27,510.36 = 12,071.92/x
  3. Step 3: Cross multiply
    18,329.44x = 27,510.36 × 12,071.92
  4. Step 4: Simplify right side
    18,329.44x = 332,102,865.09
  5. Step 5: Solve for x
    x = 332,102,865.09/18,329.44
  6. Step 6: Final answer
    x = 18,118.55

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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.