Home / 12,941.32-17,859.66-7,277.85

Finding the Fourth Proportional to 12,941.32, 17,859.66 and 7,277.85

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Solution

The fourth proportional to 12,941.32, 17,859.66 and 7,277.85 is: 10,043.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.32 : 17,859.66 = 7,277.85 : x
  2. Step 2: Convert to fraction form
    12,941.32/17,859.66 = 7,277.85/x
  3. Step 3: Cross multiply
    12,941.32x = 17,859.66 × 7,277.85
  4. Step 4: Simplify right side
    12,941.32x = 129,979,926.53
  5. Step 5: Solve for x
    x = 129,979,926.53/12,941.32
  6. Step 6: Final answer
    x = 10,043.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.