Home / 21,930.66-32,898.07-6,135.69

Finding the Fourth Proportional to 21,930.66, 32,898.07 and 6,135.69

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Solution

The fourth proportional to 21,930.66, 32,898.07 and 6,135.69 is: 9,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,930.66 : 32,898.07 = 6,135.69 : x
  2. Step 2: Convert to fraction form
    21,930.66/32,898.07 = 6,135.69/x
  3. Step 3: Cross multiply
    21,930.66x = 32,898.07 × 6,135.69
  4. Step 4: Simplify right side
    21,930.66x = 201,852,359.12
  5. Step 5: Solve for x
    x = 201,852,359.12/21,930.66
  6. Step 6: Final answer
    x = 9,204.12

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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.