Home / 19,792.10-29,692.47-6,644.13

Finding the Fourth Proportional to 19,792.10, 29,692.47 and 6,644.13

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Solution

The fourth proportional to 19,792.10, 29,692.47 and 6,644.13 is: 9,967.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.10 : 29,692.47 = 6,644.13 : x
  2. Step 2: Convert to fraction form
    19,792.10/29,692.47 = 6,644.13/x
  3. Step 3: Cross multiply
    19,792.10x = 29,692.47 × 6,644.13
  4. Step 4: Simplify right side
    19,792.10x = 197,280,544.27
  5. Step 5: Solve for x
    x = 197,280,544.27/19,792.10
  6. Step 6: Final answer
    x = 9,967.64

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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.