Home / 18,086.08-27,131.68-5,607.08

Finding the Fourth Proportional to 18,086.08, 27,131.68 and 5,607.08

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Solution

The fourth proportional to 18,086.08, 27,131.68 and 5,607.08 is: 8,411.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086.08 : 27,131.68 = 5,607.08 : x
  2. Step 2: Convert to fraction form
    18,086.08/27,131.68 = 5,607.08/x
  3. Step 3: Cross multiply
    18,086.08x = 27,131.68 × 5,607.08
  4. Step 4: Simplify right side
    18,086.08x = 152,129,500.29
  5. Step 5: Solve for x
    x = 152,129,500.29/18,086.08
  6. Step 6: Final answer
    x = 8,411.41

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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.