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Finding the Fourth Proportional to 12,600.96, 18,899.52 and 4,392.96

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Solution

The fourth proportional to 12,600.96, 18,899.52 and 4,392.96 is: 6,588.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.96 : 18,899.52 = 4,392.96 : x
  2. Step 2: Convert to fraction form
    12,600.96/18,899.52 = 4,392.96/x
  3. Step 3: Cross multiply
    12,600.96x = 18,899.52 × 4,392.96
  4. Step 4: Simplify right side
    12,600.96x = 83,024,835.38
  5. Step 5: Solve for x
    x = 83,024,835.38/12,600.96
  6. Step 6: Final answer
    x = 6,588.77

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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.