Home / 19,490.87-29,229.69-6,339.98

Finding the Fourth Proportional to 19,490.87, 29,229.69 and 6,339.98

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Solution

The fourth proportional to 19,490.87, 29,229.69 and 6,339.98 is: 9,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.87 : 29,229.69 = 6,339.98 : x
  2. Step 2: Convert to fraction form
    19,490.87/29,229.69 = 6,339.98/x
  3. Step 3: Cross multiply
    19,490.87x = 29,229.69 × 6,339.98
  4. Step 4: Simplify right side
    19,490.87x = 185,315,650.01
  5. Step 5: Solve for x
    x = 185,315,650.01/19,490.87
  6. Step 6: Final answer
    x = 9,507.82

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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.