Home / 12,035.69-18,055.49-3,713.76

Finding the Fourth Proportional to 12,035.69, 18,055.49 and 3,713.76

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Solution

The fourth proportional to 12,035.69, 18,055.49 and 3,713.76 is: 5,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035.69 : 18,055.49 = 3,713.76 : x
  2. Step 2: Convert to fraction form
    12,035.69/18,055.49 = 3,713.76/x
  3. Step 3: Cross multiply
    12,035.69x = 18,055.49 × 3,713.76
  4. Step 4: Simplify right side
    12,035.69x = 67,053,805.68
  5. Step 5: Solve for x
    x = 67,053,805.68/12,035.69
  6. Step 6: Final answer
    x = 5,571.25

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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.