Home / 9,816.27-14,720.63-3,240.69

Finding the Fourth Proportional to 9,816.27, 14,720.63 and 3,240.69

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Solution

The fourth proportional to 9,816.27, 14,720.63 and 3,240.69 is: 4,859.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.27 : 14,720.63 = 3,240.69 : x
  2. Step 2: Convert to fraction form
    9,816.27/14,720.63 = 3,240.69/x
  3. Step 3: Cross multiply
    9,816.27x = 14,720.63 × 3,240.69
  4. Step 4: Simplify right side
    9,816.27x = 47,704,982.23
  5. Step 5: Solve for x
    x = 47,704,982.23/9,816.27
  6. Step 6: Final answer
    x = 4,859.79

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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.