Home / 19,134.24-28,689.60-6,651.36

Finding the Fourth Proportional to 19,134.24, 28,689.60 and 6,651.36

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Solution

The fourth proportional to 19,134.24, 28,689.60 and 6,651.36 is: 9,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.24 : 28,689.60 = 6,651.36 : x
  2. Step 2: Convert to fraction form
    19,134.24/28,689.60 = 6,651.36/x
  3. Step 3: Cross multiply
    19,134.24x = 28,689.60 × 6,651.36
  4. Step 4: Simplify right side
    19,134.24x = 190,824,857.86
  5. Step 5: Solve for x
    x = 190,824,857.86/19,134.24
  6. Step 6: Final answer
    x = 9,972.95

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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.