Home / 13,999.13-19,321.64-8,034.90

Finding the Fourth Proportional to 13,999.13, 19,321.64 and 8,034.90

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Solution

The fourth proportional to 13,999.13, 19,321.64 and 8,034.90 is: 11,089.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.13 : 19,321.64 = 8,034.90 : x
  2. Step 2: Convert to fraction form
    13,999.13/19,321.64 = 8,034.90/x
  3. Step 3: Cross multiply
    13,999.13x = 19,321.64 × 8,034.90
  4. Step 4: Simplify right side
    13,999.13x = 155,247,445.24
  5. Step 5: Solve for x
    x = 155,247,445.24/13,999.13
  6. Step 6: Final answer
    x = 11,089.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.