Home / 13,307.92-19,965.73-3,948.16

Finding the Fourth Proportional to 13,307.92, 19,965.73 and 3,948.16

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Solution

The fourth proportional to 13,307.92, 19,965.73 and 3,948.16 is: 5,923.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.92 : 19,965.73 = 3,948.16 : x
  2. Step 2: Convert to fraction form
    13,307.92/19,965.73 = 3,948.16/x
  3. Step 3: Cross multiply
    13,307.92x = 19,965.73 × 3,948.16
  4. Step 4: Simplify right side
    13,307.92x = 78,827,896.56
  5. Step 5: Solve for x
    x = 78,827,896.56/13,307.92
  6. Step 6: Final answer
    x = 5,923.38

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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.