Home / 19,913.14-29,873.31-6,764.32

Finding the Fourth Proportional to 19,913.14, 29,873.31 and 6,764.32

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Solution

The fourth proportional to 19,913.14, 29,873.31 and 6,764.32 is: 10,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.14 : 29,873.31 = 6,764.32 : x
  2. Step 2: Convert to fraction form
    19,913.14/29,873.31 = 6,764.32/x
  3. Step 3: Cross multiply
    19,913.14x = 29,873.31 × 6,764.32
  4. Step 4: Simplify right side
    19,913.14x = 202,072,628.30
  5. Step 5: Solve for x
    x = 202,072,628.30/19,913.14
  6. Step 6: Final answer
    x = 10,147.70

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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.