Home / 12,937.75-19,406.59-3,577.75

Finding the Fourth Proportional to 12,937.75, 19,406.59 and 3,577.75

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Solution

The fourth proportional to 12,937.75, 19,406.59 and 3,577.75 is: 5,366.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.75 : 19,406.59 = 3,577.75 : x
  2. Step 2: Convert to fraction form
    12,937.75/19,406.59 = 3,577.75/x
  3. Step 3: Cross multiply
    12,937.75x = 19,406.59 × 3,577.75
  4. Step 4: Simplify right side
    12,937.75x = 69,431,869.91
  5. Step 5: Solve for x
    x = 69,431,869.91/12,937.75
  6. Step 6: Final answer
    x = 5,366.61

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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.