Home / 13,464.17-20,195.97-3,603.45

Finding the Fourth Proportional to 13,464.17, 20,195.97 and 3,603.45

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Solution

The fourth proportional to 13,464.17, 20,195.97 and 3,603.45 is: 5,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.17 : 20,195.97 = 3,603.45 : x
  2. Step 2: Convert to fraction form
    13,464.17/20,195.97 = 3,603.45/x
  3. Step 3: Cross multiply
    13,464.17x = 20,195.97 × 3,603.45
  4. Step 4: Simplify right side
    13,464.17x = 72,775,168.10
  5. Step 5: Solve for x
    x = 72,775,168.10/13,464.17
  6. Step 6: Final answer
    x = 5,405.10

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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.