Home / 13,351.83-20,021.66-7,110.24

Finding the Fourth Proportional to 13,351.83, 20,021.66 and 7,110.24

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Solution

The fourth proportional to 13,351.83, 20,021.66 and 7,110.24 is: 10,662.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.83 : 20,021.66 = 7,110.24 : x
  2. Step 2: Convert to fraction form
    13,351.83/20,021.66 = 7,110.24/x
  3. Step 3: Cross multiply
    13,351.83x = 20,021.66 × 7,110.24
  4. Step 4: Simplify right side
    13,351.83x = 142,358,807.80
  5. Step 5: Solve for x
    x = 142,358,807.80/13,351.83
  6. Step 6: Final answer
    x = 10,662.12

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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.