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Finding the Fourth Proportional to 43,676.75, 65,515.14 and 10,844.75

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Solution

The fourth proportional to 43,676.75, 65,515.14 and 10,844.75 is: 16,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,676.75 : 65,515.14 = 10,844.75 : x
  2. Step 2: Convert to fraction form
    43,676.75/65,515.14 = 10,844.75/x
  3. Step 3: Cross multiply
    43,676.75x = 65,515.14 × 10,844.75
  4. Step 4: Simplify right side
    43,676.75x = 710,495,314.52
  5. Step 5: Solve for x
    x = 710,495,314.52/43,676.75
  6. Step 6: Final answer
    x = 16,267.13

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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.