Home / 12,074.49-18,124.03-8,326.51

Finding the Fourth Proportional to 12,074.49, 18,124.03 and 8,326.51

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Solution

The fourth proportional to 12,074.49, 18,124.03 and 8,326.51 is: 12,498.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074.49 : 18,124.03 = 8,326.51 : x
  2. Step 2: Convert to fraction form
    12,074.49/18,124.03 = 8,326.51/x
  3. Step 3: Cross multiply
    12,074.49x = 18,124.03 × 8,326.51
  4. Step 4: Simplify right side
    12,074.49x = 150,909,917.04
  5. Step 5: Solve for x
    x = 150,909,917.04/12,074.49
  6. Step 6: Final answer
    x = 12,498.24

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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.