Home / 19,616.55-29,424.69-6,469.98

Finding the Fourth Proportional to 19,616.55, 29,424.69 and 6,469.98

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Solution

The fourth proportional to 19,616.55, 29,424.69 and 6,469.98 is: 9,704.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.55 : 29,424.69 = 6,469.98 : x
  2. Step 2: Convert to fraction form
    19,616.55/29,424.69 = 6,469.98/x
  3. Step 3: Cross multiply
    19,616.55x = 29,424.69 × 6,469.98
  4. Step 4: Simplify right side
    19,616.55x = 190,377,155.81
  5. Step 5: Solve for x
    x = 190,377,155.81/19,616.55
  6. Step 6: Final answer
    x = 9,704.93

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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.