Home / 19,396.96-29,102.76-7,718.44

Finding the Fourth Proportional to 19,396.96, 29,102.76 and 7,718.44

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Solution

The fourth proportional to 19,396.96, 29,102.76 and 7,718.44 is: 11,580.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.96 : 29,102.76 = 7,718.44 : x
  2. Step 2: Convert to fraction form
    19,396.96/29,102.76 = 7,718.44/x
  3. Step 3: Cross multiply
    19,396.96x = 29,102.76 × 7,718.44
  4. Step 4: Simplify right side
    19,396.96x = 224,627,906.89
  5. Step 5: Solve for x
    x = 224,627,906.89/19,396.96
  6. Step 6: Final answer
    x = 11,580.57

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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.