Home / 10,651.55-15,971.73-4,725.87

Finding the Fourth Proportional to 10,651.55, 15,971.73 and 4,725.87

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Solution

The fourth proportional to 10,651.55, 15,971.73 and 4,725.87 is: 7,086.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.55 : 15,971.73 = 4,725.87 : x
  2. Step 2: Convert to fraction form
    10,651.55/15,971.73 = 4,725.87/x
  3. Step 3: Cross multiply
    10,651.55x = 15,971.73 × 4,725.87
  4. Step 4: Simplify right side
    10,651.55x = 75,480,362.89
  5. Step 5: Solve for x
    x = 75,480,362.89/10,651.55
  6. Step 6: Final answer
    x = 7,086.33

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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.