Home / 43,563.14-65,344.74-12,398.40

Finding the Fourth Proportional to 43,563.14, 65,344.74 and 12,398.40

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Solution

The fourth proportional to 43,563.14, 65,344.74 and 12,398.40 is: 18,597.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,563.14 : 65,344.74 = 12,398.40 : x
  2. Step 2: Convert to fraction form
    43,563.14/65,344.74 = 12,398.40/x
  3. Step 3: Cross multiply
    43,563.14x = 65,344.74 × 12,398.40
  4. Step 4: Simplify right side
    43,563.14x = 810,170,224.42
  5. Step 5: Solve for x
    x = 810,170,224.42/43,563.14
  6. Step 6: Final answer
    x = 18,597.61

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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.