Home / 13,200.48-19,802.52-4,879.44

Finding the Fourth Proportional to 13,200.48, 19,802.52 and 4,879.44

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Solution

The fourth proportional to 13,200.48, 19,802.52 and 4,879.44 is: 7,319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.48 : 19,802.52 = 4,879.44 : x
  2. Step 2: Convert to fraction form
    13,200.48/19,802.52 = 4,879.44/x
  3. Step 3: Cross multiply
    13,200.48x = 19,802.52 × 4,879.44
  4. Step 4: Simplify right side
    13,200.48x = 96,625,208.19
  5. Step 5: Solve for x
    x = 96,625,208.19/13,200.48
  6. Step 6: Final answer
    x = 7,319.83

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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.