Home / 18,122.47-27,188.17-14,644.01

Finding the Fourth Proportional to 18,122.47, 27,188.17 and 14,644.01

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Solution

The fourth proportional to 18,122.47, 27,188.17 and 14,644.01 is: 21,969.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.47 : 27,188.17 = 14,644.01 : x
  2. Step 2: Convert to fraction form
    18,122.47/27,188.17 = 14,644.01/x
  3. Step 3: Cross multiply
    18,122.47x = 27,188.17 × 14,644.01
  4. Step 4: Simplify right side
    18,122.47x = 398,143,864.72
  5. Step 5: Solve for x
    x = 398,143,864.72/18,122.47
  6. Step 6: Final answer
    x = 21,969.63

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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.