Home / 10,520.44-15,769.98-6,825.02

Finding the Fourth Proportional to 10,520.44, 15,769.98 and 6,825.02

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Solution

The fourth proportional to 10,520.44, 15,769.98 and 6,825.02 is: 10,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520.44 : 15,769.98 = 6,825.02 : x
  2. Step 2: Convert to fraction form
    10,520.44/15,769.98 = 6,825.02/x
  3. Step 3: Cross multiply
    10,520.44x = 15,769.98 × 6,825.02
  4. Step 4: Simplify right side
    10,520.44x = 107,630,428.90
  5. Step 5: Solve for x
    x = 107,630,428.90/10,520.44
  6. Step 6: Final answer
    x = 10,230.60

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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.