Home / 19,708.71-29,567.28-5,668.61

Finding the Fourth Proportional to 19,708.71, 29,567.28 and 5,668.61

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Solution

The fourth proportional to 19,708.71, 29,567.28 and 5,668.61 is: 8,504.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.71 : 29,567.28 = 5,668.61 : x
  2. Step 2: Convert to fraction form
    19,708.71/29,567.28 = 5,668.61/x
  3. Step 3: Cross multiply
    19,708.71x = 29,567.28 × 5,668.61
  4. Step 4: Simplify right side
    19,708.71x = 167,605,231.24
  5. Step 5: Solve for x
    x = 167,605,231.24/19,708.71
  6. Step 6: Final answer
    x = 8,504.12

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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.