Home / 9,172.93-12,563.80-8,634.34

Finding the Fourth Proportional to 9,172.93, 12,563.80 and 8,634.34

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Solution

The fourth proportional to 9,172.93, 12,563.80 and 8,634.34 is: 11,826.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.93 : 12,563.80 = 8,634.34 : x
  2. Step 2: Convert to fraction form
    9,172.93/12,563.80 = 8,634.34/x
  3. Step 3: Cross multiply
    9,172.93x = 12,563.80 × 8,634.34
  4. Step 4: Simplify right side
    9,172.93x = 108,480,107.69
  5. Step 5: Solve for x
    x = 108,480,107.69/9,172.93
  6. Step 6: Final answer
    x = 11,826.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.