Home / 19,620.28-29,428.87-6,294.61

Finding the Fourth Proportional to 19,620.28, 29,428.87 and 6,294.61

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Solution

The fourth proportional to 19,620.28, 29,428.87 and 6,294.61 is: 9,441.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.28 : 29,428.87 = 6,294.61 : x
  2. Step 2: Convert to fraction form
    19,620.28/29,428.87 = 6,294.61/x
  3. Step 3: Cross multiply
    19,620.28x = 29,428.87 × 6,294.61
  4. Step 4: Simplify right side
    19,620.28x = 185,243,292.24
  5. Step 5: Solve for x
    x = 185,243,292.24/19,620.28
  6. Step 6: Final answer
    x = 9,441.42

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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.