Home / 13,404.26-20,103.63-5,081.40

Finding the Fourth Proportional to 13,404.26, 20,103.63 and 5,081.40

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Solution

The fourth proportional to 13,404.26, 20,103.63 and 5,081.40 is: 7,621.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404.26 : 20,103.63 = 5,081.40 : x
  2. Step 2: Convert to fraction form
    13,404.26/20,103.63 = 5,081.40/x
  3. Step 3: Cross multiply
    13,404.26x = 20,103.63 × 5,081.40
  4. Step 4: Simplify right side
    13,404.26x = 102,154,585.48
  5. Step 5: Solve for x
    x = 102,154,585.48/13,404.26
  6. Step 6: Final answer
    x = 7,621.06

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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.