Home / 18,162.02-27,253.56-7,631.21

Finding the Fourth Proportional to 18,162.02, 27,253.56 and 7,631.21

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Solution

The fourth proportional to 18,162.02, 27,253.56 and 7,631.21 is: 11,451.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.02 : 27,253.56 = 7,631.21 : x
  2. Step 2: Convert to fraction form
    18,162.02/27,253.56 = 7,631.21/x
  3. Step 3: Cross multiply
    18,162.02x = 27,253.56 × 7,631.21
  4. Step 4: Simplify right side
    18,162.02x = 207,977,736.36
  5. Step 5: Solve for x
    x = 207,977,736.36/18,162.02
  6. Step 6: Final answer
    x = 11,451.24

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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.