Home / 12,570.03-18,857.48-4,251.41

Finding the Fourth Proportional to 12,570.03, 18,857.48 and 4,251.41

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Solution

The fourth proportional to 12,570.03, 18,857.48 and 4,251.41 is: 6,377.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570.03 : 18,857.48 = 4,251.41 : x
  2. Step 2: Convert to fraction form
    12,570.03/18,857.48 = 4,251.41/x
  3. Step 3: Cross multiply
    12,570.03x = 18,857.48 × 4,251.41
  4. Step 4: Simplify right side
    12,570.03x = 80,170,763.50
  5. Step 5: Solve for x
    x = 80,170,763.50/12,570.03
  6. Step 6: Final answer
    x = 6,377.93

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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.