Home / 8,761.19-13,146.64-6,425.96

Finding the Fourth Proportional to 8,761.19, 13,146.64 and 6,425.96

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Solution

The fourth proportional to 8,761.19, 13,146.64 and 6,425.96 is: 9,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.19 : 13,146.64 = 6,425.96 : x
  2. Step 2: Convert to fraction form
    8,761.19/13,146.64 = 6,425.96/x
  3. Step 3: Cross multiply
    8,761.19x = 13,146.64 × 6,425.96
  4. Step 4: Simplify right side
    8,761.19x = 84,479,700.98
  5. Step 5: Solve for x
    x = 84,479,700.98/8,761.19
  6. Step 6: Final answer
    x = 9,642.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.