Home / 13,676.02-20,516.92-4,318.76

Finding the Fourth Proportional to 13,676.02, 20,516.92 and 4,318.76

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Solution

The fourth proportional to 13,676.02, 20,516.92 and 4,318.76 is: 6,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676.02 : 20,516.92 = 4,318.76 : x
  2. Step 2: Convert to fraction form
    13,676.02/20,516.92 = 4,318.76/x
  3. Step 3: Cross multiply
    13,676.02x = 20,516.92 × 4,318.76
  4. Step 4: Simplify right side
    13,676.02x = 88,607,653.42
  5. Step 5: Solve for x
    x = 88,607,653.42/13,676.02
  6. Step 6: Final answer
    x = 6,479.05

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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.