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Finding the Fourth Proportional to 12,604.93, 18,907.02 and 5,203.76

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Solution

The fourth proportional to 12,604.93, 18,907.02 and 5,203.76 is: 7,805.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.93 : 18,907.02 = 5,203.76 : x
  2. Step 2: Convert to fraction form
    12,604.93/18,907.02 = 5,203.76/x
  3. Step 3: Cross multiply
    12,604.93x = 18,907.02 × 5,203.76
  4. Step 4: Simplify right side
    12,604.93x = 98,387,499.86
  5. Step 5: Solve for x
    x = 98,387,499.86/12,604.93
  6. Step 6: Final answer
    x = 7,805.48

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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.