Home / 9,871.44-13,628.52-6,150.48

Finding the Fourth Proportional to 9,871.44, 13,628.52 and 6,150.48

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Solution

The fourth proportional to 9,871.44, 13,628.52 and 6,150.48 is: 8,491.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871.44 : 13,628.52 = 6,150.48 : x
  2. Step 2: Convert to fraction form
    9,871.44/13,628.52 = 6,150.48/x
  3. Step 3: Cross multiply
    9,871.44x = 13,628.52 × 6,150.48
  4. Step 4: Simplify right side
    9,871.44x = 83,821,939.69
  5. Step 5: Solve for x
    x = 83,821,939.69/9,871.44
  6. Step 6: Final answer
    x = 8,491.36

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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.