Home / 8,012.74-12,021.54-5,677.26

Finding the Fourth Proportional to 8,012.74, 12,021.54 and 5,677.26

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Solution

The fourth proportional to 8,012.74, 12,021.54 and 5,677.26 is: 8,517.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.74 : 12,021.54 = 5,677.26 : x
  2. Step 2: Convert to fraction form
    8,012.74/12,021.54 = 5,677.26/x
  3. Step 3: Cross multiply
    8,012.74x = 12,021.54 × 5,677.26
  4. Step 4: Simplify right side
    8,012.74x = 68,249,408.18
  5. Step 5: Solve for x
    x = 68,249,408.18/8,012.74
  6. Step 6: Final answer
    x = 8,517.61

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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.