Home / 13,296.66-19,948.40-4,976.79

Finding the Fourth Proportional to 13,296.66, 19,948.40 and 4,976.79

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Solution

The fourth proportional to 13,296.66, 19,948.40 and 4,976.79 is: 7,466.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.66 : 19,948.40 = 4,976.79 : x
  2. Step 2: Convert to fraction form
    13,296.66/19,948.40 = 4,976.79/x
  3. Step 3: Cross multiply
    13,296.66x = 19,948.40 × 4,976.79
  4. Step 4: Simplify right side
    13,296.66x = 99,279,042.82
  5. Step 5: Solve for x
    x = 99,279,042.82/13,296.66
  6. Step 6: Final answer
    x = 7,466.47

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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.