Home / 12,516.93-18,775.37-4,196.96

Finding the Fourth Proportional to 12,516.93, 18,775.37 and 4,196.96

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Solution

The fourth proportional to 12,516.93, 18,775.37 and 4,196.96 is: 6,295.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516.93 : 18,775.37 = 4,196.96 : x
  2. Step 2: Convert to fraction form
    12,516.93/18,775.37 = 4,196.96/x
  3. Step 3: Cross multiply
    12,516.93x = 18,775.37 × 4,196.96
  4. Step 4: Simplify right side
    12,516.93x = 78,799,557.71
  5. Step 5: Solve for x
    x = 78,799,557.71/12,516.93
  6. Step 6: Final answer
    x = 6,295.44

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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.