Home / 13,759.16-20,636.06-4,396.67

Finding the Fourth Proportional to 13,759.16, 20,636.06 and 4,396.67

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Solution

The fourth proportional to 13,759.16, 20,636.06 and 4,396.67 is: 6,594.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759.16 : 20,636.06 = 4,396.67 : x
  2. Step 2: Convert to fraction form
    13,759.16/20,636.06 = 4,396.67/x
  3. Step 3: Cross multiply
    13,759.16x = 20,636.06 × 4,396.67
  4. Step 4: Simplify right side
    13,759.16x = 90,729,820.76
  5. Step 5: Solve for x
    x = 90,729,820.76/13,759.16
  6. Step 6: Final answer
    x = 6,594.14

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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.