Home / 12,231.24-18,254.44-11,050.26

Finding the Fourth Proportional to 12,231.24, 18,254.44 and 11,050.26

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Solution

The fourth proportional to 12,231.24, 18,254.44 and 11,050.26 is: 16,491.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231.24 : 18,254.44 = 11,050.26 : x
  2. Step 2: Convert to fraction form
    12,231.24/18,254.44 = 11,050.26/x
  3. Step 3: Cross multiply
    12,231.24x = 18,254.44 × 11,050.26
  4. Step 4: Simplify right side
    12,231.24x = 201,716,308.15
  5. Step 5: Solve for x
    x = 201,716,308.15/12,231.24
  6. Step 6: Final answer
    x = 16,491.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.