Home / 11,280.24-16,920.24-4,349.88

Finding the Fourth Proportional to 11,280.24, 16,920.24 and 4,349.88

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Solution

The fourth proportional to 11,280.24, 16,920.24 and 4,349.88 is: 6,524.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.24 : 16,920.24 = 4,349.88 : x
  2. Step 2: Convert to fraction form
    11,280.24/16,920.24 = 4,349.88/x
  3. Step 3: Cross multiply
    11,280.24x = 16,920.24 × 4,349.88
  4. Step 4: Simplify right side
    11,280.24x = 73,601,013.57
  5. Step 5: Solve for x
    x = 73,601,013.57/11,280.24
  6. Step 6: Final answer
    x = 6,524.77

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1.5x scale

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.