Home / 12,237.75-18,356.76-3,003.75

Finding the Fourth Proportional to 12,237.75, 18,356.76 and 3,003.75

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Solution

The fourth proportional to 12,237.75, 18,356.76 and 3,003.75 is: 4,505.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.75 : 18,356.76 = 3,003.75 : x
  2. Step 2: Convert to fraction form
    12,237.75/18,356.76 = 3,003.75/x
  3. Step 3: Cross multiply
    12,237.75x = 18,356.76 × 3,003.75
  4. Step 4: Simplify right side
    12,237.75x = 55,139,117.85
  5. Step 5: Solve for x
    x = 55,139,117.85/12,237.75
  6. Step 6: Final answer
    x = 4,505.66

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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.