Home / 19,620.09-29,425.98-6,469.35

Finding the Fourth Proportional to 19,620.09, 29,425.98 and 6,469.35

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Solution

The fourth proportional to 19,620.09, 29,425.98 and 6,469.35 is: 9,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.09 : 29,425.98 = 6,469.35 : x
  2. Step 2: Convert to fraction form
    19,620.09/29,425.98 = 6,469.35/x
  3. Step 3: Cross multiply
    19,620.09x = 29,425.98 × 6,469.35
  4. Step 4: Simplify right side
    19,620.09x = 190,366,963.71
  5. Step 5: Solve for x
    x = 190,366,963.71/19,620.09
  6. Step 6: Final answer
    x = 9,702.65

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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.