Home / 12,359.80-18,542.68-4,039.84

Finding the Fourth Proportional to 12,359.80, 18,542.68 and 4,039.84

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Solution

The fourth proportional to 12,359.80, 18,542.68 and 4,039.84 is: 6,060.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.80 : 18,542.68 = 4,039.84 : x
  2. Step 2: Convert to fraction form
    12,359.80/18,542.68 = 4,039.84/x
  3. Step 3: Cross multiply
    12,359.80x = 18,542.68 × 4,039.84
  4. Step 4: Simplify right side
    12,359.80x = 74,909,460.37
  5. Step 5: Solve for x
    x = 74,909,460.37/12,359.80
  6. Step 6: Final answer
    x = 6,060.73

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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.