Home / 11,551.32-15,942.33-6,517.13

Finding the Fourth Proportional to 11,551.32, 15,942.33 and 6,517.13

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Solution

The fourth proportional to 11,551.32, 15,942.33 and 6,517.13 is: 8,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.32 : 15,942.33 = 6,517.13 : x
  2. Step 2: Convert to fraction form
    11,551.32/15,942.33 = 6,517.13/x
  3. Step 3: Cross multiply
    11,551.32x = 15,942.33 × 6,517.13
  4. Step 4: Simplify right side
    11,551.32x = 103,898,157.40
  5. Step 5: Solve for x
    x = 103,898,157.40/11,551.32
  6. Step 6: Final answer
    x = 8,994.48

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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.