Home / 26,136.56-39,209.20-12,110.64

Finding the Fourth Proportional to 26,136.56, 39,209.20 and 12,110.64

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Solution

The fourth proportional to 26,136.56, 39,209.20 and 12,110.64 is: 18,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,136.56 : 39,209.20 = 12,110.64 : x
  2. Step 2: Convert to fraction form
    26,136.56/39,209.20 = 12,110.64/x
  3. Step 3: Cross multiply
    26,136.56x = 39,209.20 × 12,110.64
  4. Step 4: Simplify right side
    26,136.56x = 474,848,505.89
  5. Step 5: Solve for x
    x = 474,848,505.89/26,136.56
  6. Step 6: Final answer
    x = 18,167.98

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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.