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Finding the Fourth Proportional to 12,497.01, 18,745.53 and 3,263.01

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Solution

The fourth proportional to 12,497.01, 18,745.53 and 3,263.01 is: 4,894.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.01 : 18,745.53 = 3,263.01 : x
  2. Step 2: Convert to fraction form
    12,497.01/18,745.53 = 3,263.01/x
  3. Step 3: Cross multiply
    12,497.01x = 18,745.53 × 3,263.01
  4. Step 4: Simplify right side
    12,497.01x = 61,166,851.85
  5. Step 5: Solve for x
    x = 61,166,851.85/12,497.01
  6. Step 6: Final answer
    x = 4,894.52

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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.