Home / 12,039.63-18,062.15-4,249.05

Finding the Fourth Proportional to 12,039.63, 18,062.15 and 4,249.05

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Solution

The fourth proportional to 12,039.63, 18,062.15 and 4,249.05 is: 6,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.63 : 18,062.15 = 4,249.05 : x
  2. Step 2: Convert to fraction form
    12,039.63/18,062.15 = 4,249.05/x
  3. Step 3: Cross multiply
    12,039.63x = 18,062.15 × 4,249.05
  4. Step 4: Simplify right side
    12,039.63x = 76,746,957.21
  5. Step 5: Solve for x
    x = 76,746,957.21/12,039.63
  6. Step 6: Final answer
    x = 6,374.53

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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.