Home / 19,640.42-29,465.24-6,492.79

Finding the Fourth Proportional to 19,640.42, 29,465.24 and 6,492.79

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Solution

The fourth proportional to 19,640.42, 29,465.24 and 6,492.79 is: 9,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640.42 : 29,465.24 = 6,492.79 : x
  2. Step 2: Convert to fraction form
    19,640.42/29,465.24 = 6,492.79/x
  3. Step 3: Cross multiply
    19,640.42x = 29,465.24 × 6,492.79
  4. Step 4: Simplify right side
    19,640.42x = 191,311,615.62
  5. Step 5: Solve for x
    x = 191,311,615.62/19,640.42
  6. Step 6: Final answer
    x = 9,740.71

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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.