Home / 12,227.80-18,341.70-2,993.80

Finding the Fourth Proportional to 12,227.80, 18,341.70 and 2,993.80

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Solution

The fourth proportional to 12,227.80, 18,341.70 and 2,993.80 is: 4,490.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.80 : 18,341.70 = 2,993.80 : x
  2. Step 2: Convert to fraction form
    12,227.80/18,341.70 = 2,993.80/x
  3. Step 3: Cross multiply
    12,227.80x = 18,341.70 × 2,993.80
  4. Step 4: Simplify right side
    12,227.80x = 54,911,381.46
  5. Step 5: Solve for x
    x = 54,911,381.46/12,227.80
  6. Step 6: Final answer
    x = 4,490.70

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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.