Home / 21,948.83-32,930.63-6,958.39

Finding the Fourth Proportional to 21,948.83, 32,930.63 and 6,958.39

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Solution

The fourth proportional to 21,948.83, 32,930.63 and 6,958.39 is: 10,439.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.83 : 32,930.63 = 6,958.39 : x
  2. Step 2: Convert to fraction form
    21,948.83/32,930.63 = 6,958.39/x
  3. Step 3: Cross multiply
    21,948.83x = 32,930.63 × 6,958.39
  4. Step 4: Simplify right side
    21,948.83x = 229,144,166.49
  5. Step 5: Solve for x
    x = 229,144,166.49/21,948.83
  6. Step 6: Final answer
    x = 10,439.93

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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.