Home / 13,406.24-20,109.52-4,046.34

Finding the Fourth Proportional to 13,406.24, 20,109.52 and 4,046.34

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Solution

The fourth proportional to 13,406.24, 20,109.52 and 4,046.34 is: 6,069.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,406.24 : 20,109.52 = 4,046.34 : x
  2. Step 2: Convert to fraction form
    13,406.24/20,109.52 = 4,046.34/x
  3. Step 3: Cross multiply
    13,406.24x = 20,109.52 × 4,046.34
  4. Step 4: Simplify right side
    13,406.24x = 81,369,955.16
  5. Step 5: Solve for x
    x = 81,369,955.16/13,406.24
  6. Step 6: Final answer
    x = 6,069.56

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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.