Home / 18,009.57-27,014.01-8,141.95

Finding the Fourth Proportional to 18,009.57, 27,014.01 and 8,141.95

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Solution

The fourth proportional to 18,009.57, 27,014.01 and 8,141.95 is: 12,212.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,009.57 : 27,014.01 = 8,141.95 : x
  2. Step 2: Convert to fraction form
    18,009.57/27,014.01 = 8,141.95/x
  3. Step 3: Cross multiply
    18,009.57x = 27,014.01 × 8,141.95
  4. Step 4: Simplify right side
    18,009.57x = 219,946,721.95
  5. Step 5: Solve for x
    x = 219,946,721.95/18,009.57
  6. Step 6: Final answer
    x = 12,212.77

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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.