Home / 13,983.92-19,297.80-7,696.29

Finding the Fourth Proportional to 13,983.92, 19,297.80 and 7,696.29

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Solution

The fourth proportional to 13,983.92, 19,297.80 and 7,696.29 is: 10,620.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.92 : 19,297.80 = 7,696.29 : x
  2. Step 2: Convert to fraction form
    13,983.92/19,297.80 = 7,696.29/x
  3. Step 3: Cross multiply
    13,983.92x = 19,297.80 × 7,696.29
  4. Step 4: Simplify right side
    13,983.92x = 148,521,484.40
  5. Step 5: Solve for x
    x = 148,521,484.40/13,983.92
  6. Step 6: Final answer
    x = 10,620.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.