Home / 15,841.90-21,860.34-9,467.22

Finding the Fourth Proportional to 15,841.90, 21,860.34 and 9,467.22

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Solution

The fourth proportional to 15,841.90, 21,860.34 and 9,467.22 is: 13,063.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841.90 : 21,860.34 = 9,467.22 : x
  2. Step 2: Convert to fraction form
    15,841.90/21,860.34 = 9,467.22/x
  3. Step 3: Cross multiply
    15,841.90x = 21,860.34 × 9,467.22
  4. Step 4: Simplify right side
    15,841.90x = 206,956,694.53
  5. Step 5: Solve for x
    x = 206,956,694.53/15,841.90
  6. Step 6: Final answer
    x = 13,063.88

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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.