Home / 12,361.06-18,519.90-10,294.30

Finding the Fourth Proportional to 12,361.06, 18,519.90 and 10,294.30

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Solution

The fourth proportional to 12,361.06, 18,519.90 and 10,294.30 is: 15,423.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361.06 : 18,519.90 = 10,294.30 : x
  2. Step 2: Convert to fraction form
    12,361.06/18,519.90 = 10,294.30/x
  3. Step 3: Cross multiply
    12,361.06x = 18,519.90 × 10,294.30
  4. Step 4: Simplify right side
    12,361.06x = 190,649,406.57
  5. Step 5: Solve for x
    x = 190,649,406.57/12,361.06
  6. Step 6: Final answer
    x = 15,423.39

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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.