Home / 19,440.09-29,154.25-5,396.71

Finding the Fourth Proportional to 19,440.09, 29,154.25 and 5,396.71

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Solution

The fourth proportional to 19,440.09, 29,154.25 and 5,396.71 is: 8,093.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.09 : 29,154.25 = 5,396.71 : x
  2. Step 2: Convert to fraction form
    19,440.09/29,154.25 = 5,396.71/x
  3. Step 3: Cross multiply
    19,440.09x = 29,154.25 × 5,396.71
  4. Step 4: Simplify right side
    19,440.09x = 157,337,032.52
  5. Step 5: Solve for x
    x = 157,337,032.52/19,440.09
  6. Step 6: Final answer
    x = 8,093.43

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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.