Home / 13,164.22-19,747.35-4,399.17

Finding the Fourth Proportional to 13,164.22, 19,747.35 and 4,399.17

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Solution

The fourth proportional to 13,164.22, 19,747.35 and 4,399.17 is: 6,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.22 : 19,747.35 = 4,399.17 : x
  2. Step 2: Convert to fraction form
    13,164.22/19,747.35 = 4,399.17/x
  3. Step 3: Cross multiply
    13,164.22x = 19,747.35 × 4,399.17
  4. Step 4: Simplify right side
    13,164.22x = 86,871,949.70
  5. Step 5: Solve for x
    x = 86,871,949.70/13,164.22
  6. Step 6: Final answer
    x = 6,599.10

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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.