Home / 11,551.18-15,940.72-6,245.98

Finding the Fourth Proportional to 11,551.18, 15,940.72 and 6,245.98

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Solution

The fourth proportional to 11,551.18, 15,940.72 and 6,245.98 is: 8,619.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.18 : 15,940.72 = 6,245.98 : x
  2. Step 2: Convert to fraction form
    11,551.18/15,940.72 = 6,245.98/x
  3. Step 3: Cross multiply
    11,551.18x = 15,940.72 × 6,245.98
  4. Step 4: Simplify right side
    11,551.18x = 99,565,418.31
  5. Step 5: Solve for x
    x = 99,565,418.31/11,551.18
  6. Step 6: Final answer
    x = 8,619.50

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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.