Home / 26,164.45-39,224.78-12,134.50

Finding the Fourth Proportional to 26,164.45, 39,224.78 and 12,134.50

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Solution

The fourth proportional to 26,164.45, 39,224.78 and 12,134.50 is: 18,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,164.45 : 39,224.78 = 12,134.50 : x
  2. Step 2: Convert to fraction form
    26,164.45/39,224.78 = 12,134.50/x
  3. Step 3: Cross multiply
    26,164.45x = 39,224.78 × 12,134.50
  4. Step 4: Simplify right side
    26,164.45x = 475,973,092.91
  5. Step 5: Solve for x
    x = 475,973,092.91/26,164.45
  6. Step 6: Final answer
    x = 18,191.60

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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.