Home / 12,570.80-18,853.09-4,250.64

Finding the Fourth Proportional to 12,570.80, 18,853.09 and 4,250.64

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Solution

The fourth proportional to 12,570.80, 18,853.09 and 4,250.64 is: 6,374.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570.80 : 18,853.09 = 4,250.64 : x
  2. Step 2: Convert to fraction form
    12,570.80/18,853.09 = 4,250.64/x
  3. Step 3: Cross multiply
    12,570.80x = 18,853.09 × 4,250.64
  4. Step 4: Simplify right side
    12,570.80x = 80,137,698.48
  5. Step 5: Solve for x
    x = 80,137,698.48/12,570.80
  6. Step 6: Final answer
    x = 6,374.91

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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.