Home / 13,164.35-19,747.55-4,399.29

Finding the Fourth Proportional to 13,164.35, 19,747.55 and 4,399.29

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Solution

The fourth proportional to 13,164.35, 19,747.55 and 4,399.29 is: 6,599.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.35 : 19,747.55 = 4,399.29 : x
  2. Step 2: Convert to fraction form
    13,164.35/19,747.55 = 4,399.29/x
  3. Step 3: Cross multiply
    13,164.35x = 19,747.55 × 4,399.29
  4. Step 4: Simplify right side
    13,164.35x = 86,875,177.24
  5. Step 5: Solve for x
    x = 86,875,177.24/13,164.35
  6. Step 6: Final answer
    x = 6,599.28

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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.