Home / 19,738.79-29,613.95-6,600.38

Finding the Fourth Proportional to 19,738.79, 29,613.95 and 6,600.38

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Solution

The fourth proportional to 19,738.79, 29,613.95 and 6,600.38 is: 9,902.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.79 : 29,613.95 = 6,600.38 : x
  2. Step 2: Convert to fraction form
    19,738.79/29,613.95 = 6,600.38/x
  3. Step 3: Cross multiply
    19,738.79x = 29,613.95 × 6,600.38
  4. Step 4: Simplify right side
    19,738.79x = 195,463,290.30
  5. Step 5: Solve for x
    x = 195,463,290.30/19,738.79
  6. Step 6: Final answer
    x = 9,902.50

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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.