Home / 13,343.72-20,017.75-4,107.56

Finding the Fourth Proportional to 13,343.72, 20,017.75 and 4,107.56

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Solution

The fourth proportional to 13,343.72, 20,017.75 and 4,107.56 is: 6,162.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.72 : 20,017.75 = 4,107.56 : x
  2. Step 2: Convert to fraction form
    13,343.72/20,017.75 = 4,107.56/x
  3. Step 3: Cross multiply
    13,343.72x = 20,017.75 × 4,107.56
  4. Step 4: Simplify right side
    13,343.72x = 82,224,148.97
  5. Step 5: Solve for x
    x = 82,224,148.97/13,343.72
  6. Step 6: Final answer
    x = 6,162.01

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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.