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Finding the Fourth Proportional to 12,573.03, 18,850.23 and 6,328.47

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Solution

The fourth proportional to 12,573.03, 18,850.23 and 6,328.47 is: 9,488.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,573.03 : 18,850.23 = 6,328.47 : x
  2. Step 2: Convert to fraction form
    12,573.03/18,850.23 = 6,328.47/x
  3. Step 3: Cross multiply
    12,573.03x = 18,850.23 × 6,328.47
  4. Step 4: Simplify right side
    12,573.03x = 119,293,115.05
  5. Step 5: Solve for x
    x = 119,293,115.05/12,573.03
  6. Step 6: Final answer
    x = 9,488.02

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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.