Home / 13,416.96-20,125.45-4,651.88

Finding the Fourth Proportional to 13,416.96, 20,125.45 and 4,651.88

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Solution

The fourth proportional to 13,416.96, 20,125.45 and 4,651.88 is: 6,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.96 : 20,125.45 = 4,651.88 : x
  2. Step 2: Convert to fraction form
    13,416.96/20,125.45 = 4,651.88/x
  3. Step 3: Cross multiply
    13,416.96x = 20,125.45 × 4,651.88
  4. Step 4: Simplify right side
    13,416.96x = 93,621,178.35
  5. Step 5: Solve for x
    x = 93,621,178.35/13,416.96
  6. Step 6: Final answer
    x = 6,977.82

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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.