Home / 18,486.83-27,721.85-5,336.08

Finding the Fourth Proportional to 18,486.83, 27,721.85 and 5,336.08

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Solution

The fourth proportional to 18,486.83, 27,721.85 and 5,336.08 is: 8,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486.83 : 27,721.85 = 5,336.08 : x
  2. Step 2: Convert to fraction form
    18,486.83/27,721.85 = 5,336.08/x
  3. Step 3: Cross multiply
    18,486.83x = 27,721.85 × 5,336.08
  4. Step 4: Simplify right side
    18,486.83x = 147,925,913.36
  5. Step 5: Solve for x
    x = 147,925,913.36/18,486.83
  6. Step 6: Final answer
    x = 8,001.69

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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.