Home / 18,153.48-27,230.38-5,005.56

Finding the Fourth Proportional to 18,153.48, 27,230.38 and 5,005.56

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Solution

The fourth proportional to 18,153.48, 27,230.38 and 5,005.56 is: 7,508.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.48 : 27,230.38 = 5,005.56 : x
  2. Step 2: Convert to fraction form
    18,153.48/27,230.38 = 5,005.56/x
  3. Step 3: Cross multiply
    18,153.48x = 27,230.38 × 5,005.56
  4. Step 4: Simplify right side
    18,153.48x = 136,303,300.91
  5. Step 5: Solve for x
    x = 136,303,300.91/18,153.48
  6. Step 6: Final answer
    x = 7,508.38

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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.