Home / 11,579.98-15,981.23-6,544.78

Finding the Fourth Proportional to 11,579.98, 15,981.23 and 6,544.78

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Solution

The fourth proportional to 11,579.98, 15,981.23 and 6,544.78 is: 9,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.98 : 15,981.23 = 6,544.78 : x
  2. Step 2: Convert to fraction form
    11,579.98/15,981.23 = 6,544.78/x
  3. Step 3: Cross multiply
    11,579.98x = 15,981.23 × 6,544.78
  4. Step 4: Simplify right side
    11,579.98x = 104,593,634.48
  5. Step 5: Solve for x
    x = 104,593,634.48/11,579.98
  6. Step 6: Final answer
    x = 9,032.28

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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.