Home / 19,277.14-28,915.72-6,129.52

Finding the Fourth Proportional to 19,277.14, 28,915.72 and 6,129.52

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Solution

The fourth proportional to 19,277.14, 28,915.72 and 6,129.52 is: 9,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.14 : 28,915.72 = 6,129.52 : x
  2. Step 2: Convert to fraction form
    19,277.14/28,915.72 = 6,129.52/x
  3. Step 3: Cross multiply
    19,277.14x = 28,915.72 × 6,129.52
  4. Step 4: Simplify right side
    19,277.14x = 177,239,484.05
  5. Step 5: Solve for x
    x = 177,239,484.05/19,277.14
  6. Step 6: Final answer
    x = 9,194.28

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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.