Home / 9,865.68-13,617.36-5,889.48

Finding the Fourth Proportional to 9,865.68, 13,617.36 and 5,889.48

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Solution

The fourth proportional to 9,865.68, 13,617.36 and 5,889.48 is: 8,129.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,865.68 : 13,617.36 = 5,889.48 : x
  2. Step 2: Convert to fraction form
    9,865.68/13,617.36 = 5,889.48/x
  3. Step 3: Cross multiply
    9,865.68x = 13,617.36 × 5,889.48
  4. Step 4: Simplify right side
    9,865.68x = 80,199,169.37
  5. Step 5: Solve for x
    x = 80,199,169.37/9,865.68
  6. Step 6: Final answer
    x = 8,129.11

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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.