Home / 15,531.66-23,291.82-5,668.02

Finding the Fourth Proportional to 15,531.66, 23,291.82 and 5,668.02

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Solution

The fourth proportional to 15,531.66, 23,291.82 and 5,668.02 is: 8,499.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,531.66 : 23,291.82 = 5,668.02 : x
  2. Step 2: Convert to fraction form
    15,531.66/23,291.82 = 5,668.02/x
  3. Step 3: Cross multiply
    15,531.66x = 23,291.82 × 5,668.02
  4. Step 4: Simplify right side
    15,531.66x = 132,018,501.60
  5. Step 5: Solve for x
    x = 132,018,501.60/15,531.66
  6. Step 6: Final answer
    x = 8,499.96

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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.