Home / 15,494.76-21,392.55-10,198.44

Finding the Fourth Proportional to 15,494.76, 21,392.55 and 10,198.44

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Solution

The fourth proportional to 15,494.76, 21,392.55 and 10,198.44 is: 14,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,494.76 : 21,392.55 = 10,198.44 : x
  2. Step 2: Convert to fraction form
    15,494.76/21,392.55 = 10,198.44/x
  3. Step 3: Cross multiply
    15,494.76x = 21,392.55 × 10,198.44
  4. Step 4: Simplify right side
    15,494.76x = 218,170,637.62
  5. Step 5: Solve for x
    x = 218,170,637.62/15,494.76
  6. Step 6: Final answer
    x = 14,080.29

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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.