Home / 13,676.32-20,515.23-4,316.62

Finding the Fourth Proportional to 13,676.32, 20,515.23 and 4,316.62

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Solution

The fourth proportional to 13,676.32, 20,515.23 and 4,316.62 is: 6,475.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676.32 : 20,515.23 = 4,316.62 : x
  2. Step 2: Convert to fraction form
    13,676.32/20,515.23 = 4,316.62/x
  3. Step 3: Cross multiply
    13,676.32x = 20,515.23 × 4,316.62
  4. Step 4: Simplify right side
    13,676.32x = 88,556,452.12
  5. Step 5: Solve for x
    x = 88,556,452.12/13,676.32
  6. Step 6: Final answer
    x = 6,475.17

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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.