Home / 13,676.30-20,516.48-4,315.32

Finding the Fourth Proportional to 13,676.30, 20,516.48 and 4,315.32

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Solution

The fourth proportional to 13,676.30, 20,516.48 and 4,315.32 is: 6,473.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676.30 : 20,516.48 = 4,315.32 : x
  2. Step 2: Convert to fraction form
    13,676.30/20,516.48 = 4,315.32/x
  3. Step 3: Cross multiply
    13,676.30x = 20,516.48 × 4,315.32
  4. Step 4: Simplify right side
    13,676.30x = 88,535,154.90
  5. Step 5: Solve for x
    x = 88,535,154.90/13,676.30
  6. Step 6: Final answer
    x = 6,473.62

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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.