Home / 12,051.09-18,073.15-4,153.28

Finding the Fourth Proportional to 12,051.09, 18,073.15 and 4,153.28

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Solution

The fourth proportional to 12,051.09, 18,073.15 and 4,153.28 is: 6,228.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.09 : 18,073.15 = 4,153.28 : x
  2. Step 2: Convert to fraction form
    12,051.09/18,073.15 = 4,153.28/x
  3. Step 3: Cross multiply
    12,051.09x = 18,073.15 × 4,153.28
  4. Step 4: Simplify right side
    12,051.09x = 75,062,751.68
  5. Step 5: Solve for x
    x = 75,062,751.68/12,051.09
  6. Step 6: Final answer
    x = 6,228.71

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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.