Home / 17,490.78-24,129.56-11,823.44

Finding the Fourth Proportional to 17,490.78, 24,129.56 and 11,823.44

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Solution

The fourth proportional to 17,490.78, 24,129.56 and 11,823.44 is: 16,311.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,490.78 : 24,129.56 = 11,823.44 : x
  2. Step 2: Convert to fraction form
    17,490.78/24,129.56 = 11,823.44/x
  3. Step 3: Cross multiply
    17,490.78x = 24,129.56 × 11,823.44
  4. Step 4: Simplify right side
    17,490.78x = 285,294,404.89
  5. Step 5: Solve for x
    x = 285,294,404.89/17,490.78
  6. Step 6: Final answer
    x = 16,311.13

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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.