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Finding the Fourth Proportional to 43,394.24, 65,090.88 and 10,562.24

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Solution

The fourth proportional to 43,394.24, 65,090.88 and 10,562.24 is: 15,843.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,394.24 : 65,090.88 = 10,562.24 : x
  2. Step 2: Convert to fraction form
    43,394.24/65,090.88 = 10,562.24/x
  3. Step 3: Cross multiply
    43,394.24x = 65,090.88 × 10,562.24
  4. Step 4: Simplify right side
    43,394.24x = 687,505,496.37
  5. Step 5: Solve for x
    x = 687,505,496.37/43,394.24
  6. Step 6: Final answer
    x = 15,843.24

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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.