Home / 12,570.09-18,855.18-4,250.18

Finding the Fourth Proportional to 12,570.09, 18,855.18 and 4,250.18

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Solution

The fourth proportional to 12,570.09, 18,855.18 and 4,250.18 is: 6,375.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570.09 : 18,855.18 = 4,250.18 : x
  2. Step 2: Convert to fraction form
    12,570.09/18,855.18 = 4,250.18/x
  3. Step 3: Cross multiply
    12,570.09x = 18,855.18 × 4,250.18
  4. Step 4: Simplify right side
    12,570.09x = 80,137,814.66
  5. Step 5: Solve for x
    x = 80,137,814.66/12,570.09
  6. Step 6: Final answer
    x = 6,375.28

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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.