Home / 12,153.74-18,229.07-4,763.39

Finding the Fourth Proportional to 12,153.74, 18,229.07 and 4,763.39

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Solution

The fourth proportional to 12,153.74, 18,229.07 and 4,763.39 is: 7,144.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153.74 : 18,229.07 = 4,763.39 : x
  2. Step 2: Convert to fraction form
    12,153.74/18,229.07 = 4,763.39/x
  3. Step 3: Cross multiply
    12,153.74x = 18,229.07 × 4,763.39
  4. Step 4: Simplify right side
    12,153.74x = 86,832,158.87
  5. Step 5: Solve for x
    x = 86,832,158.87/12,153.74
  6. Step 6: Final answer
    x = 7,144.48

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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.