Home / 13,351.36-20,022.72-5,562.40

Finding the Fourth Proportional to 13,351.36, 20,022.72 and 5,562.40

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Solution

The fourth proportional to 13,351.36, 20,022.72 and 5,562.40 is: 8,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.36 : 20,022.72 = 5,562.40 : x
  2. Step 2: Convert to fraction form
    13,351.36/20,022.72 = 5,562.40/x
  3. Step 3: Cross multiply
    13,351.36x = 20,022.72 × 5,562.40
  4. Step 4: Simplify right side
    13,351.36x = 111,374,377.73
  5. Step 5: Solve for x
    x = 111,374,377.73/13,351.36
  6. Step 6: Final answer
    x = 8,341.80

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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.