Home / 12,482.50-18,723.66-5,085.22

Finding the Fourth Proportional to 12,482.50, 18,723.66 and 5,085.22

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Solution

The fourth proportional to 12,482.50, 18,723.66 and 5,085.22 is: 7,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482.50 : 18,723.66 = 5,085.22 : x
  2. Step 2: Convert to fraction form
    12,482.50/18,723.66 = 5,085.22/x
  3. Step 3: Cross multiply
    12,482.50x = 18,723.66 × 5,085.22
  4. Step 4: Simplify right side
    12,482.50x = 95,213,930.31
  5. Step 5: Solve for x
    x = 95,213,930.31/12,482.50
  6. Step 6: Final answer
    x = 7,627.79

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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.