Home / 9,309.36-12,833.64-6,655.80

Finding the Fourth Proportional to 9,309.36, 12,833.64 and 6,655.80

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Solution

The fourth proportional to 9,309.36, 12,833.64 and 6,655.80 is: 9,175.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.36 : 12,833.64 = 6,655.80 : x
  2. Step 2: Convert to fraction form
    9,309.36/12,833.64 = 6,655.80/x
  3. Step 3: Cross multiply
    9,309.36x = 12,833.64 × 6,655.80
  4. Step 4: Simplify right side
    9,309.36x = 85,418,141.11
  5. Step 5: Solve for x
    x = 85,418,141.11/9,309.36
  6. Step 6: Final answer
    x = 9,175.51

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Similar ratio
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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.