Home / 11,060.30-15,247.10-8,403.10

Finding the Fourth Proportional to 11,060.30, 15,247.10 and 8,403.10

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Solution

The fourth proportional to 11,060.30, 15,247.10 and 8,403.10 is: 11,584.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,060.30 : 15,247.10 = 8,403.10 : x
  2. Step 2: Convert to fraction form
    11,060.30/15,247.10 = 8,403.10/x
  3. Step 3: Cross multiply
    11,060.30x = 15,247.10 × 8,403.10
  4. Step 4: Simplify right side
    11,060.30x = 128,122,906.01
  5. Step 5: Solve for x
    x = 128,122,906.01/11,060.30
  6. Step 6: Final answer
    x = 11,584.04

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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.