Home / 19,448.86-29,173.32-5,408.89

Finding the Fourth Proportional to 19,448.86, 29,173.32 and 5,408.89

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Solution

The fourth proportional to 19,448.86, 29,173.32 and 5,408.89 is: 8,113.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,448.86 : 29,173.32 = 5,408.89 : x
  2. Step 2: Convert to fraction form
    19,448.86/29,173.32 = 5,408.89/x
  3. Step 3: Cross multiply
    19,448.86x = 29,173.32 × 5,408.89
  4. Step 4: Simplify right side
    19,448.86x = 157,795,190.67
  5. Step 5: Solve for x
    x = 157,795,190.67/19,448.86
  6. Step 6: Final answer
    x = 8,113.34

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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.