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Finding the Fourth Proportional to 16,716.60, 25,060.14 and 8,384.67

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Solution

The fourth proportional to 16,716.60, 25,060.14 and 8,384.67 is: 12,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,716.60 : 25,060.14 = 8,384.67 : x
  2. Step 2: Convert to fraction form
    16,716.60/25,060.14 = 8,384.67/x
  3. Step 3: Cross multiply
    16,716.60x = 25,060.14 × 8,384.67
  4. Step 4: Simplify right side
    16,716.60x = 210,121,004.05
  5. Step 5: Solve for x
    x = 210,121,004.05/16,716.60
  6. Step 6: Final answer
    x = 12,569.60

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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.