Home / 18,553.07-27,829.91-5,406.17

Finding the Fourth Proportional to 18,553.07, 27,829.91 and 5,406.17

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Solution

The fourth proportional to 18,553.07, 27,829.91 and 5,406.17 is: 8,109.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553.07 : 27,829.91 = 5,406.17 : x
  2. Step 2: Convert to fraction form
    18,553.07/27,829.91 = 5,406.17/x
  3. Step 3: Cross multiply
    18,553.07x = 27,829.91 × 5,406.17
  4. Step 4: Simplify right side
    18,553.07x = 150,453,098.91
  5. Step 5: Solve for x
    x = 150,453,098.91/18,553.07
  6. Step 6: Final answer
    x = 8,109.34

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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.