Home / 9,309.15-12,850.01-6,166.35

Finding the Fourth Proportional to 9,309.15, 12,850.01 and 6,166.35

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Solution

The fourth proportional to 9,309.15, 12,850.01 and 6,166.35 is: 8,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.15 : 12,850.01 = 6,166.35 : x
  2. Step 2: Convert to fraction form
    9,309.15/12,850.01 = 6,166.35/x
  3. Step 3: Cross multiply
    9,309.15x = 12,850.01 × 6,166.35
  4. Step 4: Simplify right side
    9,309.15x = 79,237,628.33
  5. Step 5: Solve for x
    x = 79,237,628.33/9,309.15
  6. Step 6: Final answer
    x = 8,511.80

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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.