Home / 9,871.07-13,617.71-5,889.87

Finding the Fourth Proportional to 9,871.07, 13,617.71 and 5,889.87

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Solution

The fourth proportional to 9,871.07, 13,617.71 and 5,889.87 is: 8,125.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871.07 : 13,617.71 = 5,889.87 : x
  2. Step 2: Convert to fraction form
    9,871.07/13,617.71 = 5,889.87/x
  3. Step 3: Cross multiply
    9,871.07x = 13,617.71 × 5,889.87
  4. Step 4: Simplify right side
    9,871.07x = 80,206,512.15
  5. Step 5: Solve for x
    x = 80,206,512.15/9,871.07
  6. Step 6: Final answer
    x = 8,125.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.