Home / 12,551.84-18,814.62-4,228.98

Finding the Fourth Proportional to 12,551.84, 18,814.62 and 4,228.98

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Solution

The fourth proportional to 12,551.84, 18,814.62 and 4,228.98 is: 6,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.84 : 18,814.62 = 4,228.98 : x
  2. Step 2: Convert to fraction form
    12,551.84/18,814.62 = 4,228.98/x
  3. Step 3: Cross multiply
    12,551.84x = 18,814.62 × 4,228.98
  4. Step 4: Simplify right side
    12,551.84x = 79,566,651.69
  5. Step 5: Solve for x
    x = 79,566,651.69/12,551.84
  6. Step 6: Final answer
    x = 6,339.04

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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.