Home / 11,247.30-15,520.95-6,211.16

Finding the Fourth Proportional to 11,247.30, 15,520.95 and 6,211.16

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Solution

The fourth proportional to 11,247.30, 15,520.95 and 6,211.16 is: 8,571.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.30 : 15,520.95 = 6,211.16 : x
  2. Step 2: Convert to fraction form
    11,247.30/15,520.95 = 6,211.16/x
  3. Step 3: Cross multiply
    11,247.30x = 15,520.95 × 6,211.16
  4. Step 4: Simplify right side
    11,247.30x = 96,403,026.20
  5. Step 5: Solve for x
    x = 96,403,026.20/11,247.30
  6. Step 6: Final answer
    x = 8,571.21

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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.