Home / 11,553.09-15,943.27-6,247.91

Finding the Fourth Proportional to 11,553.09, 15,943.27 and 6,247.91

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Solution

The fourth proportional to 11,553.09, 15,943.27 and 6,247.91 is: 8,622.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.09 : 15,943.27 = 6,247.91 : x
  2. Step 2: Convert to fraction form
    11,553.09/15,943.27 = 6,247.91/x
  3. Step 3: Cross multiply
    11,553.09x = 15,943.27 × 6,247.91
  4. Step 4: Simplify right side
    11,553.09x = 99,612,116.07
  5. Step 5: Solve for x
    x = 99,612,116.07/11,553.09
  6. Step 6: Final answer
    x = 8,622.12

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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.