Home / 19,959.48-29,930.85-6,812.64

Finding the Fourth Proportional to 19,959.48, 29,930.85 and 6,812.64

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Solution

The fourth proportional to 19,959.48, 29,930.85 and 6,812.64 is: 10,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.48 : 29,930.85 = 6,812.64 : x
  2. Step 2: Convert to fraction form
    19,959.48/29,930.85 = 6,812.64/x
  3. Step 3: Cross multiply
    19,959.48x = 29,930.85 × 6,812.64
  4. Step 4: Simplify right side
    19,959.48x = 203,908,105.94
  5. Step 5: Solve for x
    x = 203,908,105.94/19,959.48
  6. Step 6: Final answer
    x = 10,216.10

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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.