Home / 12,937.77-19,396.80-5,912.91

Finding the Fourth Proportional to 12,937.77, 19,396.80 and 5,912.91

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Solution

The fourth proportional to 12,937.77, 19,396.80 and 5,912.91 is: 8,864.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.77 : 19,396.80 = 5,912.91 : x
  2. Step 2: Convert to fraction form
    12,937.77/19,396.80 = 5,912.91/x
  3. Step 3: Cross multiply
    12,937.77x = 19,396.80 × 5,912.91
  4. Step 4: Simplify right side
    12,937.77x = 114,691,532.69
  5. Step 5: Solve for x
    x = 114,691,532.69/12,937.77
  6. Step 6: Final answer
    x = 8,864.86

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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.