Home / 11,246.88-15,520.72-6,211.22

Finding the Fourth Proportional to 11,246.88, 15,520.72 and 6,211.22

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Solution

The fourth proportional to 11,246.88, 15,520.72 and 6,211.22 is: 8,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.88 : 15,520.72 = 6,211.22 : x
  2. Step 2: Convert to fraction form
    11,246.88/15,520.72 = 6,211.22/x
  3. Step 3: Cross multiply
    11,246.88x = 15,520.72 × 6,211.22
  4. Step 4: Simplify right side
    11,246.88x = 96,402,606.48
  5. Step 5: Solve for x
    x = 96,402,606.48/11,246.88
  6. Step 6: Final answer
    x = 8,571.50

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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.