Home / 9,708.21-14,561.24-2,782.53

Finding the Fourth Proportional to 9,708.21, 14,561.24 and 2,782.53

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Solution

The fourth proportional to 9,708.21, 14,561.24 and 2,782.53 is: 4,173.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,708.21 : 14,561.24 = 2,782.53 : x
  2. Step 2: Convert to fraction form
    9,708.21/14,561.24 = 2,782.53/x
  3. Step 3: Cross multiply
    9,708.21x = 14,561.24 × 2,782.53
  4. Step 4: Simplify right side
    9,708.21x = 40,517,073.22
  5. Step 5: Solve for x
    x = 40,517,073.22/9,708.21
  6. Step 6: Final answer
    x = 4,173.49

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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.