Home / 13,677.61-20,516.41-4,324.19

Finding the Fourth Proportional to 13,677.61, 20,516.41 and 4,324.19

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Solution

The fourth proportional to 13,677.61, 20,516.41 and 4,324.19 is: 6,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.61 : 20,516.41 = 4,324.19 : x
  2. Step 2: Convert to fraction form
    13,677.61/20,516.41 = 4,324.19/x
  3. Step 3: Cross multiply
    13,677.61x = 20,516.41 × 4,324.19
  4. Step 4: Simplify right side
    13,677.61x = 88,716,854.96
  5. Step 5: Solve for x
    x = 88,716,854.96/13,677.61
  6. Step 6: Final answer
    x = 6,486.28

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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.