Home / 18,431.18-27,657.60-8,041.58

Finding the Fourth Proportional to 18,431.18, 27,657.60 and 8,041.58

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Solution

The fourth proportional to 18,431.18, 27,657.60 and 8,041.58 is: 12,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431.18 : 27,657.60 = 8,041.58 : x
  2. Step 2: Convert to fraction form
    18,431.18/27,657.60 = 8,041.58/x
  3. Step 3: Cross multiply
    18,431.18x = 27,657.60 × 8,041.58
  4. Step 4: Simplify right side
    18,431.18x = 222,410,803.01
  5. Step 5: Solve for x
    x = 222,410,803.01/18,431.18
  6. Step 6: Final answer
    x = 12,067.10

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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.