Home / 15,181.40-22,744.02-12,731.96

Finding the Fourth Proportional to 15,181.40, 22,744.02 and 12,731.96

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Solution

The fourth proportional to 15,181.40, 22,744.02 and 12,731.96 is: 19,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181.40 : 22,744.02 = 12,731.96 : x
  2. Step 2: Convert to fraction form
    15,181.40/22,744.02 = 12,731.96/x
  3. Step 3: Cross multiply
    15,181.40x = 22,744.02 × 12,731.96
  4. Step 4: Simplify right side
    15,181.40x = 289,575,952.88
  5. Step 5: Solve for x
    x = 289,575,952.88/15,181.40
  6. Step 6: Final answer
    x = 19,074.39

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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.