Home / 9,961.59-13,742.37-6,425.94

Finding the Fourth Proportional to 9,961.59, 13,742.37 and 6,425.94

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Solution

The fourth proportional to 9,961.59, 13,742.37 and 6,425.94 is: 8,864.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.59 : 13,742.37 = 6,425.94 : x
  2. Step 2: Convert to fraction form
    9,961.59/13,742.37 = 6,425.94/x
  3. Step 3: Cross multiply
    9,961.59x = 13,742.37 × 6,425.94
  4. Step 4: Simplify right side
    9,961.59x = 88,307,576.37
  5. Step 5: Solve for x
    x = 88,307,576.37/9,961.59
  6. Step 6: Final answer
    x = 8,864.81

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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.