Home / 18,155.02-27,233.88-5,007.28

Finding the Fourth Proportional to 18,155.02, 27,233.88 and 5,007.28

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Solution

The fourth proportional to 18,155.02, 27,233.88 and 5,007.28 is: 7,511.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.02 : 27,233.88 = 5,007.28 : x
  2. Step 2: Convert to fraction form
    18,155.02/27,233.88 = 5,007.28/x
  3. Step 3: Cross multiply
    18,155.02x = 27,233.88 × 5,007.28
  4. Step 4: Simplify right side
    18,155.02x = 136,367,662.65
  5. Step 5: Solve for x
    x = 136,367,662.65/18,155.02
  6. Step 6: Final answer
    x = 7,511.29

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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.