Home / 18,024.07-27,023.37-6,921.40

Finding the Fourth Proportional to 18,024.07, 27,023.37 and 6,921.40

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Solution

The fourth proportional to 18,024.07, 27,023.37 and 6,921.40 is: 10,377.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,024.07 : 27,023.37 = 6,921.40 : x
  2. Step 2: Convert to fraction form
    18,024.07/27,023.37 = 6,921.40/x
  3. Step 3: Cross multiply
    18,024.07x = 27,023.37 × 6,921.40
  4. Step 4: Simplify right side
    18,024.07x = 187,039,553.12
  5. Step 5: Solve for x
    x = 187,039,553.12/18,024.07
  6. Step 6: Final answer
    x = 10,377.21

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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.