Home / 13,360.82-20,025.09-4,920.62

Finding the Fourth Proportional to 13,360.82, 20,025.09 and 4,920.62

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Solution

The fourth proportional to 13,360.82, 20,025.09 and 4,920.62 is: 7,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.82 : 20,025.09 = 4,920.62 : x
  2. Step 2: Convert to fraction form
    13,360.82/20,025.09 = 4,920.62/x
  3. Step 3: Cross multiply
    13,360.82x = 20,025.09 × 4,920.62
  4. Step 4: Simplify right side
    13,360.82x = 98,535,758.23
  5. Step 5: Solve for x
    x = 98,535,758.23/13,360.82
  6. Step 6: Final answer
    x = 7,374.98

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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.