Home / 13,676.69-20,512.10-4,317.45

Finding the Fourth Proportional to 13,676.69, 20,512.10 and 4,317.45

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Solution

The fourth proportional to 13,676.69, 20,512.10 and 4,317.45 is: 6,475.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676.69 : 20,512.10 = 4,317.45 : x
  2. Step 2: Convert to fraction form
    13,676.69/20,512.10 = 4,317.45/x
  3. Step 3: Cross multiply
    13,676.69x = 20,512.10 × 4,317.45
  4. Step 4: Simplify right side
    13,676.69x = 88,559,853.72
  5. Step 5: Solve for x
    x = 88,559,853.72/13,676.69
  6. Step 6: Final answer
    x = 6,475.24

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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.