Home / 12,927.14-19,393.74-4,161.72

Finding the Fourth Proportional to 12,927.14, 19,393.74 and 4,161.72

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Solution

The fourth proportional to 12,927.14, 19,393.74 and 4,161.72 is: 6,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.14 : 19,393.74 = 4,161.72 : x
  2. Step 2: Convert to fraction form
    12,927.14/19,393.74 = 4,161.72/x
  3. Step 3: Cross multiply
    12,927.14x = 19,393.74 × 4,161.72
  4. Step 4: Simplify right side
    12,927.14x = 80,711,315.63
  5. Step 5: Solve for x
    x = 80,711,315.63/12,927.14
  6. Step 6: Final answer
    x = 6,243.56

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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.