Home / 13,122.45-19,690.92-6,196.77

Finding the Fourth Proportional to 13,122.45, 19,690.92 and 6,196.77

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Solution

The fourth proportional to 13,122.45, 19,690.92 and 6,196.77 is: 9,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122.45 : 19,690.92 = 6,196.77 : x
  2. Step 2: Convert to fraction form
    13,122.45/19,690.92 = 6,196.77/x
  3. Step 3: Cross multiply
    13,122.45x = 19,690.92 × 6,196.77
  4. Step 4: Simplify right side
    13,122.45x = 122,020,102.33
  5. Step 5: Solve for x
    x = 122,020,102.33/13,122.45
  6. Step 6: Final answer
    x = 9,298.58

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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.