Home / 16,679.60-25,021.20-5,585.84

Finding the Fourth Proportional to 16,679.60, 25,021.20 and 5,585.84

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Solution

The fourth proportional to 16,679.60, 25,021.20 and 5,585.84 is: 8,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.60 : 25,021.20 = 5,585.84 : x
  2. Step 2: Convert to fraction form
    16,679.60/25,021.20 = 5,585.84/x
  3. Step 3: Cross multiply
    16,679.60x = 25,021.20 × 5,585.84
  4. Step 4: Simplify right side
    16,679.60x = 139,764,419.81
  5. Step 5: Solve for x
    x = 139,764,419.81/16,679.60
  6. Step 6: Final answer
    x = 8,379.36

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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.