Home / 13,268.28-19,904.85-5,472.84

Finding the Fourth Proportional to 13,268.28, 19,904.85 and 5,472.84

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Solution

The fourth proportional to 13,268.28, 19,904.85 and 5,472.84 is: 8,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.28 : 19,904.85 = 5,472.84 : x
  2. Step 2: Convert to fraction form
    13,268.28/19,904.85 = 5,472.84/x
  3. Step 3: Cross multiply
    13,268.28x = 19,904.85 × 5,472.84
  4. Step 4: Simplify right side
    13,268.28x = 108,936,059.27
  5. Step 5: Solve for x
    x = 108,936,059.27/13,268.28
  6. Step 6: Final answer
    x = 8,210.26

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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.