Home / 12,619.80-18,924.17-4,297.52

Finding the Fourth Proportional to 12,619.80, 18,924.17 and 4,297.52

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Solution

The fourth proportional to 12,619.80, 18,924.17 and 4,297.52 is: 6,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.80 : 18,924.17 = 4,297.52 : x
  2. Step 2: Convert to fraction form
    12,619.80/18,924.17 = 4,297.52/x
  3. Step 3: Cross multiply
    12,619.80x = 18,924.17 × 4,297.52
  4. Step 4: Simplify right side
    12,619.80x = 81,327,024.88
  5. Step 5: Solve for x
    x = 81,327,024.88/12,619.80
  6. Step 6: Final answer
    x = 6,444.40

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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.