Home / 14,249.69-21,374.84-4,889.67

Finding the Fourth Proportional to 14,249.69, 21,374.84 and 4,889.67

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Solution

The fourth proportional to 14,249.69, 21,374.84 and 4,889.67 is: 7,334.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.69 : 21,374.84 = 4,889.67 : x
  2. Step 2: Convert to fraction form
    14,249.69/21,374.84 = 4,889.67/x
  3. Step 3: Cross multiply
    14,249.69x = 21,374.84 × 4,889.67
  4. Step 4: Simplify right side
    14,249.69x = 104,515,913.90
  5. Step 5: Solve for x
    x = 104,515,913.90/14,249.69
  6. Step 6: Final answer
    x = 7,334.61

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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.