Home / 9,887.44-13,644.64-5,411.19

Finding the Fourth Proportional to 9,887.44, 13,644.64 and 5,411.19

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Solution

The fourth proportional to 9,887.44, 13,644.64 and 5,411.19 is: 7,467.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.44 : 13,644.64 = 5,411.19 : x
  2. Step 2: Convert to fraction form
    9,887.44/13,644.64 = 5,411.19/x
  3. Step 3: Cross multiply
    9,887.44x = 13,644.64 × 5,411.19
  4. Step 4: Simplify right side
    9,887.44x = 73,833,739.52
  5. Step 5: Solve for x
    x = 73,833,739.52/9,887.44
  6. Step 6: Final answer
    x = 7,467.43

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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.