Home / 10,650.36-15,975.54-2,859.96

Finding the Fourth Proportional to 10,650.36, 15,975.54 and 2,859.96

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Solution

The fourth proportional to 10,650.36, 15,975.54 and 2,859.96 is: 4,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,650.36 : 15,975.54 = 2,859.96 : x
  2. Step 2: Convert to fraction form
    10,650.36/15,975.54 = 2,859.96/x
  3. Step 3: Cross multiply
    10,650.36x = 15,975.54 × 2,859.96
  4. Step 4: Simplify right side
    10,650.36x = 45,689,405.38
  5. Step 5: Solve for x
    x = 45,689,405.38/10,650.36
  6. Step 6: Final answer
    x = 4,289.94

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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.