Home / 9,609.12-13,263.12-6,625.44

Finding the Fourth Proportional to 9,609.12, 13,263.12 and 6,625.44

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Solution

The fourth proportional to 9,609.12, 13,263.12 and 6,625.44 is: 9,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,609.12 : 13,263.12 = 6,625.44 : x
  2. Step 2: Convert to fraction form
    9,609.12/13,263.12 = 6,625.44/x
  3. Step 3: Cross multiply
    9,609.12x = 13,263.12 × 6,625.44
  4. Step 4: Simplify right side
    9,609.12x = 87,874,005.77
  5. Step 5: Solve for x
    x = 87,874,005.77/9,609.12
  6. Step 6: Final answer
    x = 9,144.85

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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.