Home / 11,140.64-16,711.20-3,349.52

Finding the Fourth Proportional to 11,140.64, 16,711.20 and 3,349.52

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Solution

The fourth proportional to 11,140.64, 16,711.20 and 3,349.52 is: 5,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.64 : 16,711.20 = 3,349.52 : x
  2. Step 2: Convert to fraction form
    11,140.64/16,711.20 = 3,349.52/x
  3. Step 3: Cross multiply
    11,140.64x = 16,711.20 × 3,349.52
  4. Step 4: Simplify right side
    11,140.64x = 55,974,498.62
  5. Step 5: Solve for x
    x = 55,974,498.62/11,140.64
  6. Step 6: Final answer
    x = 5,024.35

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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.