Home / 12,187.35-18,274.50-6,261.84

Finding the Fourth Proportional to 12,187.35, 18,274.50 and 6,261.84

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Solution

The fourth proportional to 12,187.35, 18,274.50 and 6,261.84 is: 9,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187.35 : 18,274.50 = 6,261.84 : x
  2. Step 2: Convert to fraction form
    12,187.35/18,274.50 = 6,261.84/x
  3. Step 3: Cross multiply
    12,187.35x = 18,274.50 × 6,261.84
  4. Step 4: Simplify right side
    12,187.35x = 114,431,995.08
  5. Step 5: Solve for x
    x = 114,431,995.08/12,187.35
  6. Step 6: Final answer
    x = 9,389.41

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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.