Home / 13,509.36-20,264.04-4,149.36

Finding the Fourth Proportional to 13,509.36, 20,264.04 and 4,149.36

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Solution

The fourth proportional to 13,509.36, 20,264.04 and 4,149.36 is: 6,224.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,509.36 : 20,264.04 = 4,149.36 : x
  2. Step 2: Convert to fraction form
    13,509.36/20,264.04 = 4,149.36/x
  3. Step 3: Cross multiply
    13,509.36x = 20,264.04 × 4,149.36
  4. Step 4: Simplify right side
    13,509.36x = 84,082,797.01
  5. Step 5: Solve for x
    x = 84,082,797.01/13,509.36
  6. Step 6: Final answer
    x = 6,224.04

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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.