Home / 13,546.10-20,312.43-4,310.90

Finding the Fourth Proportional to 13,546.10, 20,312.43 and 4,310.90

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Solution

The fourth proportional to 13,546.10, 20,312.43 and 4,310.90 is: 6,464.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.10 : 20,312.43 = 4,310.90 : x
  2. Step 2: Convert to fraction form
    13,546.10/20,312.43 = 4,310.90/x
  3. Step 3: Cross multiply
    13,546.10x = 20,312.43 × 4,310.90
  4. Step 4: Simplify right side
    13,546.10x = 87,564,854.49
  5. Step 5: Solve for x
    x = 87,564,854.49/13,546.10
  6. Step 6: Final answer
    x = 6,464.21

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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.