Home / 18,089.40-27,175.67-12,837.36

Finding the Fourth Proportional to 18,089.40, 27,175.67 and 12,837.36

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Solution

The fourth proportional to 18,089.40, 27,175.67 and 12,837.36 is: 19,285.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.40 : 27,175.67 = 12,837.36 : x
  2. Step 2: Convert to fraction form
    18,089.40/27,175.67 = 12,837.36/x
  3. Step 3: Cross multiply
    18,089.40x = 27,175.67 × 12,837.36
  4. Step 4: Simplify right side
    18,089.40x = 348,863,859.03
  5. Step 5: Solve for x
    x = 348,863,859.03/18,089.40
  6. Step 6: Final answer
    x = 19,285.54

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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.