Home / 19,948.15-29,927.76-8,704.47

Finding the Fourth Proportional to 19,948.15, 29,927.76 and 8,704.47

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Solution

The fourth proportional to 19,948.15, 29,927.76 and 8,704.47 is: 13,059.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.15 : 29,927.76 = 8,704.47 : x
  2. Step 2: Convert to fraction form
    19,948.15/29,927.76 = 8,704.47/x
  3. Step 3: Cross multiply
    19,948.15x = 29,927.76 × 8,704.47
  4. Step 4: Simplify right side
    19,948.15x = 260,505,289.09
  5. Step 5: Solve for x
    x = 260,505,289.09/19,948.15
  6. Step 6: Final answer
    x = 13,059.12

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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.