Home / 11,344.19-15,655.39-6,309.83

Finding the Fourth Proportional to 11,344.19, 15,655.39 and 6,309.83

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Solution

The fourth proportional to 11,344.19, 15,655.39 and 6,309.83 is: 8,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,344.19 : 15,655.39 = 6,309.83 : x
  2. Step 2: Convert to fraction form
    11,344.19/15,655.39 = 6,309.83/x
  3. Step 3: Cross multiply
    11,344.19x = 15,655.39 × 6,309.83
  4. Step 4: Simplify right side
    11,344.19x = 98,782,872.85
  5. Step 5: Solve for x
    x = 98,782,872.85/11,344.19
  6. Step 6: Final answer
    x = 8,707.80

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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.