Home / 12,761.38-19,145.95-6,525.77

Finding the Fourth Proportional to 12,761.38, 19,145.95 and 6,525.77

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Solution

The fourth proportional to 12,761.38, 19,145.95 and 6,525.77 is: 9,790.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761.38 : 19,145.95 = 6,525.77 : x
  2. Step 2: Convert to fraction form
    12,761.38/19,145.95 = 6,525.77/x
  3. Step 3: Cross multiply
    12,761.38x = 19,145.95 × 6,525.77
  4. Step 4: Simplify right side
    12,761.38x = 124,941,937.77
  5. Step 5: Solve for x
    x = 124,941,937.77/12,761.38
  6. Step 6: Final answer
    x = 9,790.63

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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.