Home / 13,384.78-20,076.40-4,024.61

Finding the Fourth Proportional to 13,384.78, 20,076.40 and 4,024.61

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Solution

The fourth proportional to 13,384.78, 20,076.40 and 4,024.61 is: 6,036.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384.78 : 20,076.40 = 4,024.61 : x
  2. Step 2: Convert to fraction form
    13,384.78/20,076.40 = 4,024.61/x
  3. Step 3: Cross multiply
    13,384.78x = 20,076.40 × 4,024.61
  4. Step 4: Simplify right side
    13,384.78x = 80,799,660.08
  5. Step 5: Solve for x
    x = 80,799,660.08/13,384.78
  6. Step 6: Final answer
    x = 6,036.68

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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.