Home / 11,553.37-15,943.34-6,517.40

Finding the Fourth Proportional to 11,553.37, 15,943.34 and 6,517.40

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Solution

The fourth proportional to 11,553.37, 15,943.34 and 6,517.40 is: 8,993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.37 : 15,943.34 = 6,517.40 : x
  2. Step 2: Convert to fraction form
    11,553.37/15,943.34 = 6,517.40/x
  3. Step 3: Cross multiply
    11,553.37x = 15,943.34 × 6,517.40
  4. Step 4: Simplify right side
    11,553.37x = 103,909,124.12
  5. Step 5: Solve for x
    x = 103,909,124.12/11,553.37
  6. Step 6: Final answer
    x = 8,993.84

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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.