Home / 11,553.06-15,943.32-6,379.10

Finding the Fourth Proportional to 11,553.06, 15,943.32 and 6,379.10

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Solution

The fourth proportional to 11,553.06, 15,943.32 and 6,379.10 is: 8,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.06 : 15,943.32 = 6,379.10 : x
  2. Step 2: Convert to fraction form
    11,553.06/15,943.32 = 6,379.10/x
  3. Step 3: Cross multiply
    11,553.06x = 15,943.32 × 6,379.10
  4. Step 4: Simplify right side
    11,553.06x = 101,704,032.61
  5. Step 5: Solve for x
    x = 101,704,032.61/11,553.06
  6. Step 6: Final answer
    x = 8,803.21

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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.