Home / 19,288.11-28,934.24-6,137.40

Finding the Fourth Proportional to 19,288.11, 28,934.24 and 6,137.40

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Solution

The fourth proportional to 19,288.11, 28,934.24 and 6,137.40 is: 9,206.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.11 : 28,934.24 = 6,137.40 : x
  2. Step 2: Convert to fraction form
    19,288.11/28,934.24 = 6,137.40/x
  3. Step 3: Cross multiply
    19,288.11x = 28,934.24 × 6,137.40
  4. Step 4: Simplify right side
    19,288.11x = 177,580,973.89
  5. Step 5: Solve for x
    x = 177,580,973.89/19,288.11
  6. Step 6: Final answer
    x = 9,206.76

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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.