Home / 13,220.19-19,816.27-6,194.28

Finding the Fourth Proportional to 13,220.19, 19,816.27 and 6,194.28

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Solution

The fourth proportional to 13,220.19, 19,816.27 and 6,194.28 is: 9,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,220.19 : 19,816.27 = 6,194.28 : x
  2. Step 2: Convert to fraction form
    13,220.19/19,816.27 = 6,194.28/x
  3. Step 3: Cross multiply
    13,220.19x = 19,816.27 × 6,194.28
  4. Step 4: Simplify right side
    13,220.19x = 122,747,493.96
  5. Step 5: Solve for x
    x = 122,747,493.96/13,220.19
  6. Step 6: Final answer
    x = 9,284.85

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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.