Home / 12,136.56-18,204.08-4,238.52

Finding the Fourth Proportional to 12,136.56, 18,204.08 and 4,238.52

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Solution

The fourth proportional to 12,136.56, 18,204.08 and 4,238.52 is: 6,357.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.56 : 18,204.08 = 4,238.52 : x
  2. Step 2: Convert to fraction form
    12,136.56/18,204.08 = 4,238.52/x
  3. Step 3: Cross multiply
    12,136.56x = 18,204.08 × 4,238.52
  4. Step 4: Simplify right side
    12,136.56x = 77,158,335.97
  5. Step 5: Solve for x
    x = 77,158,335.97/12,136.56
  6. Step 6: Final answer
    x = 6,357.51

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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.