Home / 13,399.75-20,108.84-4,634.67

Finding the Fourth Proportional to 13,399.75, 20,108.84 and 4,634.67

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Solution

The fourth proportional to 13,399.75, 20,108.84 and 4,634.67 is: 6,955.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.75 : 20,108.84 = 4,634.67 : x
  2. Step 2: Convert to fraction form
    13,399.75/20,108.84 = 4,634.67/x
  3. Step 3: Cross multiply
    13,399.75x = 20,108.84 × 4,634.67
  4. Step 4: Simplify right side
    13,399.75x = 93,197,837.48
  5. Step 5: Solve for x
    x = 93,197,837.48/13,399.75
  6. Step 6: Final answer
    x = 6,955.19

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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.