Home / 14,420.37-21,627.32-5,186.37

Finding the Fourth Proportional to 14,420.37, 21,627.32 and 5,186.37

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Solution

The fourth proportional to 14,420.37, 21,627.32 and 5,186.37 is: 7,778.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.37 : 21,627.32 = 5,186.37 : x
  2. Step 2: Convert to fraction form
    14,420.37/21,627.32 = 5,186.37/x
  3. Step 3: Cross multiply
    14,420.37x = 21,627.32 × 5,186.37
  4. Step 4: Simplify right side
    14,420.37x = 112,167,257.70
  5. Step 5: Solve for x
    x = 112,167,257.70/14,420.37
  6. Step 6: Final answer
    x = 7,778.39

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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.