Home / 13,272.21-19,908.29-4,507.20

Finding the Fourth Proportional to 13,272.21, 19,908.29 and 4,507.20

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Solution

The fourth proportional to 13,272.21, 19,908.29 and 4,507.20 is: 6,760.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.21 : 19,908.29 = 4,507.20 : x
  2. Step 2: Convert to fraction form
    13,272.21/19,908.29 = 4,507.20/x
  3. Step 3: Cross multiply
    13,272.21x = 19,908.29 × 4,507.20
  4. Step 4: Simplify right side
    13,272.21x = 89,730,622.15
  5. Step 5: Solve for x
    x = 89,730,622.15/13,272.21
  6. Step 6: Final answer
    x = 6,760.79

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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.