Home / 14,010.75-21,008.70-4,148.67

Finding the Fourth Proportional to 14,010.75, 21,008.70 and 4,148.67

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Solution

The fourth proportional to 14,010.75, 21,008.70 and 4,148.67 is: 6,220.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.75 : 21,008.70 = 4,148.67 : x
  2. Step 2: Convert to fraction form
    14,010.75/21,008.70 = 4,148.67/x
  3. Step 3: Cross multiply
    14,010.75x = 21,008.70 × 4,148.67
  4. Step 4: Simplify right side
    14,010.75x = 87,158,163.43
  5. Step 5: Solve for x
    x = 87,158,163.43/14,010.75
  6. Step 6: Final answer
    x = 6,220.81

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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.