Home / 12,187.37-18,277.27-4,395.17

Finding the Fourth Proportional to 12,187.37, 18,277.27 and 4,395.17

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Solution

The fourth proportional to 12,187.37, 18,277.27 and 4,395.17 is: 6,591.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187.37 : 18,277.27 = 4,395.17 : x
  2. Step 2: Convert to fraction form
    12,187.37/18,277.27 = 4,395.17/x
  3. Step 3: Cross multiply
    12,187.37x = 18,277.27 × 4,395.17
  4. Step 4: Simplify right side
    12,187.37x = 80,331,606.41
  5. Step 5: Solve for x
    x = 80,331,606.41/12,187.37
  6. Step 6: Final answer
    x = 6,591.38

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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.