Home / 15,554.71-21,465.62-8,481.18

Finding the Fourth Proportional to 15,554.71, 21,465.62 and 8,481.18

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Solution

The fourth proportional to 15,554.71, 21,465.62 and 8,481.18 is: 11,704.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554.71 : 21,465.62 = 8,481.18 : x
  2. Step 2: Convert to fraction form
    15,554.71/21,465.62 = 8,481.18/x
  3. Step 3: Cross multiply
    15,554.71x = 21,465.62 × 8,481.18
  4. Step 4: Simplify right side
    15,554.71x = 182,053,637.30
  5. Step 5: Solve for x
    x = 182,053,637.30/15,554.71
  6. Step 6: Final answer
    x = 11,704.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.