Home / 12,272.48-18,406.08-3,505.04

Finding the Fourth Proportional to 12,272.48, 18,406.08 and 3,505.04

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Solution

The fourth proportional to 12,272.48, 18,406.08 and 3,505.04 is: 5,256.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.48 : 18,406.08 = 3,505.04 : x
  2. Step 2: Convert to fraction form
    12,272.48/18,406.08 = 3,505.04/x
  3. Step 3: Cross multiply
    12,272.48x = 18,406.08 × 3,505.04
  4. Step 4: Simplify right side
    12,272.48x = 64,514,046.64
  5. Step 5: Solve for x
    x = 64,514,046.64/12,272.48
  6. Step 6: Final answer
    x = 5,256.81

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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.