Home / 13,086.55-19,631.45-4,202.47

Finding the Fourth Proportional to 13,086.55, 19,631.45 and 4,202.47

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Solution

The fourth proportional to 13,086.55, 19,631.45 and 4,202.47 is: 6,304.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086.55 : 19,631.45 = 4,202.47 : x
  2. Step 2: Convert to fraction form
    13,086.55/19,631.45 = 4,202.47/x
  3. Step 3: Cross multiply
    13,086.55x = 19,631.45 × 4,202.47
  4. Step 4: Simplify right side
    13,086.55x = 82,500,579.68
  5. Step 5: Solve for x
    x = 82,500,579.68/13,086.55
  6. Step 6: Final answer
    x = 6,304.23

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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.