Home / 14,516.36-20,032.68-8,228.72

Finding the Fourth Proportional to 14,516.36, 20,032.68 and 8,228.72

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Solution

The fourth proportional to 14,516.36, 20,032.68 and 8,228.72 is: 11,355.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.36 : 20,032.68 = 8,228.72 : x
  2. Step 2: Convert to fraction form
    14,516.36/20,032.68 = 8,228.72/x
  3. Step 3: Cross multiply
    14,516.36x = 20,032.68 × 8,228.72
  4. Step 4: Simplify right side
    14,516.36x = 164,843,314.57
  5. Step 5: Solve for x
    x = 164,843,314.57/14,516.36
  6. Step 6: Final answer
    x = 11,355.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.