Home / 19,705.28-29,562.62-6,557.76

Finding the Fourth Proportional to 19,705.28, 29,562.62 and 6,557.76

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Solution

The fourth proportional to 19,705.28, 29,562.62 and 6,557.76 is: 9,838.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,705.28 : 29,562.62 = 6,557.76 : x
  2. Step 2: Convert to fraction form
    19,705.28/29,562.62 = 6,557.76/x
  3. Step 3: Cross multiply
    19,705.28x = 29,562.62 × 6,557.76
  4. Step 4: Simplify right side
    19,705.28x = 193,864,571.03
  5. Step 5: Solve for x
    x = 193,864,571.03/19,705.28
  6. Step 6: Final answer
    x = 9,838.21

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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.