Home / 13,949.64-19,250.52-7,662

Finding the Fourth Proportional to 13,949.64, 19,250.52 and 7,662

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Solution

The fourth proportional to 13,949.64, 19,250.52 and 7,662 is: 10,573.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.64 : 19,250.52 = 7,662 : x
  2. Step 2: Convert to fraction form
    13,949.64/19,250.52 = 7,662/x
  3. Step 3: Cross multiply
    13,949.64x = 19,250.52 × 7,662
  4. Step 4: Simplify right side
    13,949.64x = 147,497,484.24
  5. Step 5: Solve for x
    x = 147,497,484.24/13,949.64
  6. Step 6: Final answer
    x = 10,573.57

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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.