Home / 13,829.41-19,079.58-8,522.29

Finding the Fourth Proportional to 13,829.41, 19,079.58 and 8,522.29

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Solution

The fourth proportional to 13,829.41, 19,079.58 and 8,522.29 is: 11,757.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.41 : 19,079.58 = 8,522.29 : x
  2. Step 2: Convert to fraction form
    13,829.41/19,079.58 = 8,522.29/x
  3. Step 3: Cross multiply
    13,829.41x = 19,079.58 × 8,522.29
  4. Step 4: Simplify right side
    13,829.41x = 162,601,713.84
  5. Step 5: Solve for x
    x = 162,601,713.84/13,829.41
  6. Step 6: Final answer
    x = 11,757.68

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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.