Home / 11,348.13-15,660.41-6,380.13

Finding the Fourth Proportional to 11,348.13, 15,660.41 and 6,380.13

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Solution

The fourth proportional to 11,348.13, 15,660.41 and 6,380.13 is: 8,804.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.13 : 15,660.41 = 6,380.13 : x
  2. Step 2: Convert to fraction form
    11,348.13/15,660.41 = 6,380.13/x
  3. Step 3: Cross multiply
    11,348.13x = 15,660.41 × 6,380.13
  4. Step 4: Simplify right side
    11,348.13x = 99,915,389.30
  5. Step 5: Solve for x
    x = 99,915,389.30/11,348.13
  6. Step 6: Final answer
    x = 8,804.57

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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.