Home / 14,021.88-21,035.02-4,162.68

Finding the Fourth Proportional to 14,021.88, 21,035.02 and 4,162.68

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Solution

The fourth proportional to 14,021.88, 21,035.02 and 4,162.68 is: 6,244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.88 : 21,035.02 = 4,162.68 : x
  2. Step 2: Convert to fraction form
    14,021.88/21,035.02 = 4,162.68/x
  3. Step 3: Cross multiply
    14,021.88x = 21,035.02 × 4,162.68
  4. Step 4: Simplify right side
    14,021.88x = 87,562,057.05
  5. Step 5: Solve for x
    x = 87,562,057.05/14,021.88
  6. Step 6: Final answer
    x = 6,244.67

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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.