Home / 11,200.48-16,804.40-5,651.20

Finding the Fourth Proportional to 11,200.48, 16,804.40 and 5,651.20

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Solution

The fourth proportional to 11,200.48, 16,804.40 and 5,651.20 is: 8,478.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,200.48 : 16,804.40 = 5,651.20 : x
  2. Step 2: Convert to fraction form
    11,200.48/16,804.40 = 5,651.20/x
  3. Step 3: Cross multiply
    11,200.48x = 16,804.40 × 5,651.20
  4. Step 4: Simplify right side
    11,200.48x = 94,965,025.28
  5. Step 5: Solve for x
    x = 94,965,025.28/11,200.48
  6. Step 6: Final answer
    x = 8,478.66

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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.