Home / 12,133.89-18,197.28-4,736.70

Finding the Fourth Proportional to 12,133.89, 18,197.28 and 4,736.70

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Solution

The fourth proportional to 12,133.89, 18,197.28 and 4,736.70 is: 7,103.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.89 : 18,197.28 = 4,736.70 : x
  2. Step 2: Convert to fraction form
    12,133.89/18,197.28 = 4,736.70/x
  3. Step 3: Cross multiply
    12,133.89x = 18,197.28 × 4,736.70
  4. Step 4: Simplify right side
    12,133.89x = 86,195,056.18
  5. Step 5: Solve for x
    x = 86,195,056.18/12,133.89
  6. Step 6: Final answer
    x = 7,103.66

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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.