Home / 10,616.90-15,925.32-2,825.72

Finding the Fourth Proportional to 10,616.90, 15,925.32 and 2,825.72

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Solution

The fourth proportional to 10,616.90, 15,925.32 and 2,825.72 is: 4,238.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,616.90 : 15,925.32 = 2,825.72 : x
  2. Step 2: Convert to fraction form
    10,616.90/15,925.32 = 2,825.72/x
  3. Step 3: Cross multiply
    10,616.90x = 15,925.32 × 2,825.72
  4. Step 4: Simplify right side
    10,616.90x = 45,000,415.60
  5. Step 5: Solve for x
    x = 45,000,415.60/10,616.90
  6. Step 6: Final answer
    x = 4,238.57

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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.