Home / 26,253.53-39,390.02-12,221.09

Finding the Fourth Proportional to 26,253.53, 39,390.02 and 12,221.09

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Solution

The fourth proportional to 26,253.53, 39,390.02 and 12,221.09 is: 18,336.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,253.53 : 39,390.02 = 12,221.09 : x
  2. Step 2: Convert to fraction form
    26,253.53/39,390.02 = 12,221.09/x
  3. Step 3: Cross multiply
    26,253.53x = 39,390.02 × 12,221.09
  4. Step 4: Simplify right side
    26,253.53x = 481,388,915.01
  5. Step 5: Solve for x
    x = 481,388,915.01/26,253.53
  6. Step 6: Final answer
    x = 18,336.16

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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.