Home / 19,670.88-29,502.22-7,196.78

Finding the Fourth Proportional to 19,670.88, 29,502.22 and 7,196.78

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Solution

The fourth proportional to 19,670.88, 29,502.22 and 7,196.78 is: 10,793.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.88 : 29,502.22 = 7,196.78 : x
  2. Step 2: Convert to fraction form
    19,670.88/29,502.22 = 7,196.78/x
  3. Step 3: Cross multiply
    19,670.88x = 29,502.22 × 7,196.78
  4. Step 4: Simplify right side
    19,670.88x = 212,320,986.85
  5. Step 5: Solve for x
    x = 212,320,986.85/19,670.88
  6. Step 6: Final answer
    x = 10,793.67

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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.