Home / 18,240.32-27,316.92-9,333.74

Finding the Fourth Proportional to 18,240.32, 27,316.92 and 9,333.74

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Solution

The fourth proportional to 18,240.32, 27,316.92 and 9,333.74 is: 13,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.32 : 27,316.92 = 9,333.74 : x
  2. Step 2: Convert to fraction form
    18,240.32/27,316.92 = 9,333.74/x
  3. Step 3: Cross multiply
    18,240.32x = 27,316.92 × 9,333.74
  4. Step 4: Simplify right side
    18,240.32x = 254,969,028.88
  5. Step 5: Solve for x
    x = 254,969,028.88/18,240.32
  6. Step 6: Final answer
    x = 13,978.32

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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.