Home / 13,864.77-20,797.19-3,476.55

Finding the Fourth Proportional to 13,864.77, 20,797.19 and 3,476.55

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Solution

The fourth proportional to 13,864.77, 20,797.19 and 3,476.55 is: 5,214.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.77 : 20,797.19 = 3,476.55 : x
  2. Step 2: Convert to fraction form
    13,864.77/20,797.19 = 3,476.55/x
  3. Step 3: Cross multiply
    13,864.77x = 20,797.19 × 3,476.55
  4. Step 4: Simplify right side
    13,864.77x = 72,302,470.89
  5. Step 5: Solve for x
    x = 72,302,470.89/13,864.77
  6. Step 6: Final answer
    x = 5,214.83

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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.