Home / 14,009.74-21,014.58-4,149.79

Finding the Fourth Proportional to 14,009.74, 21,014.58 and 4,149.79

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Solution

The fourth proportional to 14,009.74, 21,014.58 and 4,149.79 is: 6,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.74 : 21,014.58 = 4,149.79 : x
  2. Step 2: Convert to fraction form
    14,009.74/21,014.58 = 4,149.79/x
  3. Step 3: Cross multiply
    14,009.74x = 21,014.58 × 4,149.79
  4. Step 4: Simplify right side
    14,009.74x = 87,206,086.89
  5. Step 5: Solve for x
    x = 87,206,086.89/14,009.74
  6. Step 6: Final answer
    x = 6,224.67

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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.