Home / 13,999.38-19,318.56-8,026.92

Finding the Fourth Proportional to 13,999.38, 19,318.56 and 8,026.92

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Solution

The fourth proportional to 13,999.38, 19,318.56 and 8,026.92 is: 11,076.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.38 : 19,318.56 = 8,026.92 : x
  2. Step 2: Convert to fraction form
    13,999.38/19,318.56 = 8,026.92/x
  3. Step 3: Cross multiply
    13,999.38x = 19,318.56 × 8,026.92
  4. Step 4: Simplify right side
    13,999.38x = 155,068,535.64
  5. Step 5: Solve for x
    x = 155,068,535.64/13,999.38
  6. Step 6: Final answer
    x = 11,076.81

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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.