Home / 13,439.62-20,163.06-4,675.02

Finding the Fourth Proportional to 13,439.62, 20,163.06 and 4,675.02

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Solution

The fourth proportional to 13,439.62, 20,163.06 and 4,675.02 is: 7,013.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439.62 : 20,163.06 = 4,675.02 : x
  2. Step 2: Convert to fraction form
    13,439.62/20,163.06 = 4,675.02/x
  3. Step 3: Cross multiply
    13,439.62x = 20,163.06 × 4,675.02
  4. Step 4: Simplify right side
    13,439.62x = 94,262,708.76
  5. Step 5: Solve for x
    x = 94,262,708.76/13,439.62
  6. Step 6: Final answer
    x = 7,013.79

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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.