Home / 18,017.67-27,055.68-11,135.91

Finding the Fourth Proportional to 18,017.67, 27,055.68 and 11,135.91

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Solution

The fourth proportional to 18,017.67, 27,055.68 and 11,135.91 is: 16,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.67 : 27,055.68 = 11,135.91 : x
  2. Step 2: Convert to fraction form
    18,017.67/27,055.68 = 11,135.91/x
  3. Step 3: Cross multiply
    18,017.67x = 27,055.68 × 11,135.91
  4. Step 4: Simplify right side
    18,017.67x = 301,289,617.47
  5. Step 5: Solve for x
    x = 301,289,617.47/18,017.67
  6. Step 6: Final answer
    x = 16,721.90

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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.