Home / 12,766.70-19,150.06-4,002.30

Finding the Fourth Proportional to 12,766.70, 19,150.06 and 4,002.30

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Solution

The fourth proportional to 12,766.70, 19,150.06 and 4,002.30 is: 6,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.70 : 19,150.06 = 4,002.30 : x
  2. Step 2: Convert to fraction form
    12,766.70/19,150.06 = 4,002.30/x
  3. Step 3: Cross multiply
    12,766.70x = 19,150.06 × 4,002.30
  4. Step 4: Simplify right side
    12,766.70x = 76,644,285.14
  5. Step 5: Solve for x
    x = 76,644,285.14/12,766.70
  6. Step 6: Final answer
    x = 6,003.45

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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.