Home / 11,426.80-15,772.44-6,954.52

Finding the Fourth Proportional to 11,426.80, 15,772.44 and 6,954.52

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Solution

The fourth proportional to 11,426.80, 15,772.44 and 6,954.52 is: 9,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426.80 : 15,772.44 = 6,954.52 : x
  2. Step 2: Convert to fraction form
    11,426.80/15,772.44 = 6,954.52/x
  3. Step 3: Cross multiply
    11,426.80x = 15,772.44 × 6,954.52
  4. Step 4: Simplify right side
    11,426.80x = 109,689,749.43
  5. Step 5: Solve for x
    x = 109,689,749.43/11,426.80
  6. Step 6: Final answer
    x = 9,599.34

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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.