Home / 13,164.10-19,745.68-4,398.78

Finding the Fourth Proportional to 13,164.10, 19,745.68 and 4,398.78

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Solution

The fourth proportional to 13,164.10, 19,745.68 and 4,398.78 is: 6,598.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.10 : 19,745.68 = 4,398.78 : x
  2. Step 2: Convert to fraction form
    13,164.10/19,745.68 = 4,398.78/x
  3. Step 3: Cross multiply
    13,164.10x = 19,745.68 × 4,398.78
  4. Step 4: Simplify right side
    13,164.10x = 86,856,902.27
  5. Step 5: Solve for x
    x = 86,856,902.27/13,164.10
  6. Step 6: Final answer
    x = 6,598.01

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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.