Home / 18,924.21-28,406.34-10,611.18

Finding the Fourth Proportional to 18,924.21, 28,406.34 and 10,611.18

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Solution

The fourth proportional to 18,924.21, 28,406.34 and 10,611.18 is: 15,928.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.21 : 28,406.34 = 10,611.18 : x
  2. Step 2: Convert to fraction form
    18,924.21/28,406.34 = 10,611.18/x
  3. Step 3: Cross multiply
    18,924.21x = 28,406.34 × 10,611.18
  4. Step 4: Simplify right side
    18,924.21x = 301,424,786.88
  5. Step 5: Solve for x
    x = 301,424,786.88/18,924.21
  6. Step 6: Final answer
    x = 15,928.00

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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.