Home / 8,525.94-12,739.49-6,672.66

Finding the Fourth Proportional to 8,525.94, 12,739.49 and 6,672.66

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Solution

The fourth proportional to 8,525.94, 12,739.49 and 6,672.66 is: 9,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.94 : 12,739.49 = 6,672.66 : x
  2. Step 2: Convert to fraction form
    8,525.94/12,739.49 = 6,672.66/x
  3. Step 3: Cross multiply
    8,525.94x = 12,739.49 × 6,672.66
  4. Step 4: Simplify right side
    8,525.94x = 85,006,251.98
  5. Step 5: Solve for x
    x = 85,006,251.98/8,525.94
  6. Step 6: Final answer
    x = 9,970.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.