Home / 9,816.21-14,722.25-3,240.90

Finding the Fourth Proportional to 9,816.21, 14,722.25 and 3,240.90

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Solution

The fourth proportional to 9,816.21, 14,722.25 and 3,240.90 is: 4,860.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.21 : 14,722.25 = 3,240.90 : x
  2. Step 2: Convert to fraction form
    9,816.21/14,722.25 = 3,240.90/x
  3. Step 3: Cross multiply
    9,816.21x = 14,722.25 × 3,240.90
  4. Step 4: Simplify right side
    9,816.21x = 47,713,323.82
  5. Step 5: Solve for x
    x = 47,713,323.82/9,816.21
  6. Step 6: Final answer
    x = 4,860.67

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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.