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Finding the Fourth Proportional to 12,294.06, 18,441.10 and 3,060.06

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Solution

The fourth proportional to 12,294.06, 18,441.10 and 3,060.06 is: 4,590.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294.06 : 18,441.10 = 3,060.06 : x
  2. Step 2: Convert to fraction form
    12,294.06/18,441.10 = 3,060.06/x
  3. Step 3: Cross multiply
    12,294.06x = 18,441.10 × 3,060.06
  4. Step 4: Simplify right side
    12,294.06x = 56,430,872.47
  5. Step 5: Solve for x
    x = 56,430,872.47/12,294.06
  6. Step 6: Final answer
    x = 4,590.09

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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.