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Finding the Fourth Proportional to 16,639.48, 24,958.74 and 4,327.48

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Solution

The fourth proportional to 16,639.48, 24,958.74 and 4,327.48 is: 6,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639.48 : 24,958.74 = 4,327.48 : x
  2. Step 2: Convert to fraction form
    16,639.48/24,958.74 = 4,327.48/x
  3. Step 3: Cross multiply
    16,639.48x = 24,958.74 × 4,327.48
  4. Step 4: Simplify right side
    16,639.48x = 108,008,448.18
  5. Step 5: Solve for x
    x = 108,008,448.18/16,639.48
  6. Step 6: Final answer
    x = 6,491.10

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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.