Home / 12,485.25-17,230.74-6,897.33

Finding the Fourth Proportional to 12,485.25, 17,230.74 and 6,897.33

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Solution

The fourth proportional to 12,485.25, 17,230.74 and 6,897.33 is: 9,518.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485.25 : 17,230.74 = 6,897.33 : x
  2. Step 2: Convert to fraction form
    12,485.25/17,230.74 = 6,897.33/x
  3. Step 3: Cross multiply
    12,485.25x = 17,230.74 × 6,897.33
  4. Step 4: Simplify right side
    12,485.25x = 118,846,099.92
  5. Step 5: Solve for x
    x = 118,846,099.92/12,485.25
  6. Step 6: Final answer
    x = 9,518.92

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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.