Home / 12,814.40-19,219.80-4,050.20

Finding the Fourth Proportional to 12,814.40, 19,219.80 and 4,050.20

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Solution

The fourth proportional to 12,814.40, 19,219.80 and 4,050.20 is: 6,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,814.40 : 19,219.80 = 4,050.20 : x
  2. Step 2: Convert to fraction form
    12,814.40/19,219.80 = 4,050.20/x
  3. Step 3: Cross multiply
    12,814.40x = 19,219.80 × 4,050.20
  4. Step 4: Simplify right side
    12,814.40x = 77,844,033.96
  5. Step 5: Solve for x
    x = 77,844,033.96/12,814.40
  6. Step 6: Final answer
    x = 6,074.73

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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.