Home / 18,211.27-27,297.47-13,001.35

Finding the Fourth Proportional to 18,211.27, 27,297.47 and 13,001.35

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Solution

The fourth proportional to 18,211.27, 27,297.47 and 13,001.35 is: 19,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.27 : 27,297.47 = 13,001.35 : x
  2. Step 2: Convert to fraction form
    18,211.27/27,297.47 = 13,001.35/x
  3. Step 3: Cross multiply
    18,211.27x = 27,297.47 × 13,001.35
  4. Step 4: Simplify right side
    18,211.27x = 354,903,961.58
  5. Step 5: Solve for x
    x = 354,903,961.58/18,211.27
  6. Step 6: Final answer
    x = 19,488.15

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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.