Home / 18,108.91-27,167.21-5,628.63

Finding the Fourth Proportional to 18,108.91, 27,167.21 and 5,628.63

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Solution

The fourth proportional to 18,108.91, 27,167.21 and 5,628.63 is: 8,444.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.91 : 27,167.21 = 5,628.63 : x
  2. Step 2: Convert to fraction form
    18,108.91/27,167.21 = 5,628.63/x
  3. Step 3: Cross multiply
    18,108.91x = 27,167.21 × 5,628.63
  4. Step 4: Simplify right side
    18,108.91x = 152,914,173.22
  5. Step 5: Solve for x
    x = 152,914,173.22/18,108.91
  6. Step 6: Final answer
    x = 8,444.14

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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.