Home / 19,302.60-28,935.42-6,147.72

Finding the Fourth Proportional to 19,302.60, 28,935.42 and 6,147.72

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Solution

The fourth proportional to 19,302.60, 28,935.42 and 6,147.72 is: 9,215.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.60 : 28,935.42 = 6,147.72 : x
  2. Step 2: Convert to fraction form
    19,302.60/28,935.42 = 6,147.72/x
  3. Step 3: Cross multiply
    19,302.60x = 28,935.42 × 6,147.72
  4. Step 4: Simplify right side
    19,302.60x = 177,886,860.24
  5. Step 5: Solve for x
    x = 177,886,860.24/19,302.60
  6. Step 6: Final answer
    x = 9,215.69

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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.