Home / 13,699.72-20,546.34-5,376.88

Finding the Fourth Proportional to 13,699.72, 20,546.34 and 5,376.88

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Solution

The fourth proportional to 13,699.72, 20,546.34 and 5,376.88 is: 8,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699.72 : 20,546.34 = 5,376.88 : x
  2. Step 2: Convert to fraction form
    13,699.72/20,546.34 = 5,376.88/x
  3. Step 3: Cross multiply
    13,699.72x = 20,546.34 × 5,376.88
  4. Step 4: Simplify right side
    13,699.72x = 110,475,204.62
  5. Step 5: Solve for x
    x = 110,475,204.62/13,699.72
  6. Step 6: Final answer
    x = 8,064.05

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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.