Home / 18,236.38-27,356.10-5,088.91

Finding the Fourth Proportional to 18,236.38, 27,356.10 and 5,088.91

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Solution

The fourth proportional to 18,236.38, 27,356.10 and 5,088.91 is: 7,633.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.38 : 27,356.10 = 5,088.91 : x
  2. Step 2: Convert to fraction form
    18,236.38/27,356.10 = 5,088.91/x
  3. Step 3: Cross multiply
    18,236.38x = 27,356.10 × 5,088.91
  4. Step 4: Simplify right side
    18,236.38x = 139,212,730.85
  5. Step 5: Solve for x
    x = 139,212,730.85/18,236.38
  6. Step 6: Final answer
    x = 7,633.79

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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.