Home / 12,663.53-18,997.52-4,871.73

Finding the Fourth Proportional to 12,663.53, 18,997.52 and 4,871.73

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Solution

The fourth proportional to 12,663.53, 18,997.52 and 4,871.73 is: 7,308.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663.53 : 18,997.52 = 4,871.73 : x
  2. Step 2: Convert to fraction form
    12,663.53/18,997.52 = 4,871.73/x
  3. Step 3: Cross multiply
    12,663.53x = 18,997.52 × 4,871.73
  4. Step 4: Simplify right side
    12,663.53x = 92,550,763.75
  5. Step 5: Solve for x
    x = 92,550,763.75/12,663.53
  6. Step 6: Final answer
    x = 7,308.45

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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.