Home / 13,911.94-20,874.66-6,119.74

Finding the Fourth Proportional to 13,911.94, 20,874.66 and 6,119.74

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Solution

The fourth proportional to 13,911.94, 20,874.66 and 6,119.74 is: 9,182.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.94 : 20,874.66 = 6,119.74 : x
  2. Step 2: Convert to fraction form
    13,911.94/20,874.66 = 6,119.74/x
  3. Step 3: Cross multiply
    13,911.94x = 20,874.66 × 6,119.74
  4. Step 4: Simplify right side
    13,911.94x = 127,747,491.79
  5. Step 5: Solve for x
    x = 127,747,491.79/13,911.94
  6. Step 6: Final answer
    x = 9,182.58

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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.