Home / 19,491.87-29,231.19-6,340.98

Finding the Fourth Proportional to 19,491.87, 29,231.19 and 6,340.98

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Solution

The fourth proportional to 19,491.87, 29,231.19 and 6,340.98 is: 9,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,491.87 : 29,231.19 = 6,340.98 : x
  2. Step 2: Convert to fraction form
    19,491.87/29,231.19 = 6,340.98/x
  3. Step 3: Cross multiply
    19,491.87x = 29,231.19 × 6,340.98
  4. Step 4: Simplify right side
    19,491.87x = 185,354,391.17
  5. Step 5: Solve for x
    x = 185,354,391.17/19,491.87
  6. Step 6: Final answer
    x = 9,509.32

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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.