Home / 19,664.27-29,478.58-9,806.57

Finding the Fourth Proportional to 19,664.27, 29,478.58 and 9,806.57

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Solution

The fourth proportional to 19,664.27, 29,478.58 and 9,806.57 is: 14,700.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664.27 : 29,478.58 = 9,806.57 : x
  2. Step 2: Convert to fraction form
    19,664.27/29,478.58 = 9,806.57/x
  3. Step 3: Cross multiply
    19,664.27x = 29,478.58 × 9,806.57
  4. Step 4: Simplify right side
    19,664.27x = 289,083,758.27
  5. Step 5: Solve for x
    x = 289,083,758.27/19,664.27
  6. Step 6: Final answer
    x = 14,700.97

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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.