Home / 13,149.75-19,724.81-4,384.67

Finding the Fourth Proportional to 13,149.75, 19,724.81 and 4,384.67

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Solution

The fourth proportional to 13,149.75, 19,724.81 and 4,384.67 is: 6,577.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.75 : 19,724.81 = 4,384.67 : x
  2. Step 2: Convert to fraction form
    13,149.75/19,724.81 = 4,384.67/x
  3. Step 3: Cross multiply
    13,149.75x = 19,724.81 × 4,384.67
  4. Step 4: Simplify right side
    13,149.75x = 86,486,782.66
  5. Step 5: Solve for x
    x = 86,486,782.66/13,149.75
  6. Step 6: Final answer
    x = 6,577.07

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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.