Home / 13,270.97-19,904.60-4,949.91

Finding the Fourth Proportional to 13,270.97, 19,904.60 and 4,949.91

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Solution

The fourth proportional to 13,270.97, 19,904.60 and 4,949.91 is: 7,424.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.97 : 19,904.60 = 4,949.91 : x
  2. Step 2: Convert to fraction form
    13,270.97/19,904.60 = 4,949.91/x
  3. Step 3: Cross multiply
    13,270.97x = 19,904.60 × 4,949.91
  4. Step 4: Simplify right side
    13,270.97x = 98,525,990.96
  5. Step 5: Solve for x
    x = 98,525,990.96/13,270.97
  6. Step 6: Final answer
    x = 7,424.17

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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.