Home / 13,321.06-19,971.32-5,000.90

Finding the Fourth Proportional to 13,321.06, 19,971.32 and 5,000.90

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Solution

The fourth proportional to 13,321.06, 19,971.32 and 5,000.90 is: 7,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321.06 : 19,971.32 = 5,000.90 : x
  2. Step 2: Convert to fraction form
    13,321.06/19,971.32 = 5,000.90/x
  3. Step 3: Cross multiply
    13,321.06x = 19,971.32 × 5,000.90
  4. Step 4: Simplify right side
    13,321.06x = 99,874,449.33
  5. Step 5: Solve for x
    x = 99,874,449.33/13,321.06
  6. Step 6: Final answer
    x = 7,497.49

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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.