Home / 9,786.15-14,679.05-3,209.67

Finding the Fourth Proportional to 9,786.15, 14,679.05 and 3,209.67

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Solution

The fourth proportional to 9,786.15, 14,679.05 and 3,209.67 is: 4,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.15 : 14,679.05 = 3,209.67 : x
  2. Step 2: Convert to fraction form
    9,786.15/14,679.05 = 3,209.67/x
  3. Step 3: Cross multiply
    9,786.15x = 14,679.05 × 3,209.67
  4. Step 4: Simplify right side
    9,786.15x = 47,114,890.37
  5. Step 5: Solve for x
    x = 47,114,890.37/9,786.15
  6. Step 6: Final answer
    x = 4,814.45

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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.