Home / 9,655.66-13,330.83-6,635.98

Finding the Fourth Proportional to 9,655.66, 13,330.83 and 6,635.98

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Solution

The fourth proportional to 9,655.66, 13,330.83 and 6,635.98 is: 9,161.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,655.66 : 13,330.83 = 6,635.98 : x
  2. Step 2: Convert to fraction form
    9,655.66/13,330.83 = 6,635.98/x
  3. Step 3: Cross multiply
    9,655.66x = 13,330.83 × 6,635.98
  4. Step 4: Simplify right side
    9,655.66x = 88,463,121.26
  5. Step 5: Solve for x
    x = 88,463,121.26/9,655.66
  6. Step 6: Final answer
    x = 9,161.79

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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.