Home / 10,276.78-15,403.48-4,349.97

Finding the Fourth Proportional to 10,276.78, 15,403.48 and 4,349.97

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Solution

The fourth proportional to 10,276.78, 15,403.48 and 4,349.97 is: 6,520.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.78 : 15,403.48 = 4,349.97 : x
  2. Step 2: Convert to fraction form
    10,276.78/15,403.48 = 4,349.97/x
  3. Step 3: Cross multiply
    10,276.78x = 15,403.48 × 4,349.97
  4. Step 4: Simplify right side
    10,276.78x = 67,004,675.90
  5. Step 5: Solve for x
    x = 67,004,675.90/10,276.78
  6. Step 6: Final answer
    x = 6,520.01

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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.