Home / 12,187.01-18,283.13-3,867.70

Finding the Fourth Proportional to 12,187.01, 18,283.13 and 3,867.70

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Solution

The fourth proportional to 12,187.01, 18,283.13 and 3,867.70 is: 5,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187.01 : 18,283.13 = 3,867.70 : x
  2. Step 2: Convert to fraction form
    12,187.01/18,283.13 = 3,867.70/x
  3. Step 3: Cross multiply
    12,187.01x = 18,283.13 × 3,867.70
  4. Step 4: Simplify right side
    12,187.01x = 70,713,625.86
  5. Step 5: Solve for x
    x = 70,713,625.86/12,187.01
  6. Step 6: Final answer
    x = 5,802.38

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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.