Home / 11,246.40-16,879.92-5,703.60

Finding the Fourth Proportional to 11,246.40, 16,879.92 and 5,703.60

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Solution

The fourth proportional to 11,246.40, 16,879.92 and 5,703.60 is: 8,560.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.40 : 16,879.92 = 5,703.60 : x
  2. Step 2: Convert to fraction form
    11,246.40/16,879.92 = 5,703.60/x
  3. Step 3: Cross multiply
    11,246.40x = 16,879.92 × 5,703.60
  4. Step 4: Simplify right side
    11,246.40x = 96,276,311.71
  5. Step 5: Solve for x
    x = 96,276,311.71/11,246.40
  6. Step 6: Final answer
    x = 8,560.63

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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.