Home / 19,994.15-29,991.21-10,136.24

Finding the Fourth Proportional to 19,994.15, 29,991.21 and 10,136.24

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Solution

The fourth proportional to 19,994.15, 29,991.21 and 10,136.24 is: 15,204.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,994.15 : 29,991.21 = 10,136.24 : x
  2. Step 2: Convert to fraction form
    19,994.15/29,991.21 = 10,136.24/x
  3. Step 3: Cross multiply
    19,994.15x = 29,991.21 × 10,136.24
  4. Step 4: Simplify right side
    19,994.15x = 303,998,102.45
  5. Step 5: Solve for x
    x = 303,998,102.45/19,994.15
  6. Step 6: Final answer
    x = 15,204.35

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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.