Home / 16,857.44-23,271.36-9,782.72

Finding the Fourth Proportional to 16,857.44, 23,271.36 and 9,782.72

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Solution

The fourth proportional to 16,857.44, 23,271.36 and 9,782.72 is: 13,504.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,857.44 : 23,271.36 = 9,782.72 : x
  2. Step 2: Convert to fraction form
    16,857.44/23,271.36 = 9,782.72/x
  3. Step 3: Cross multiply
    16,857.44x = 23,271.36 × 9,782.72
  4. Step 4: Simplify right side
    16,857.44x = 227,657,198.90
  5. Step 5: Solve for x
    x = 227,657,198.90/16,857.44
  6. Step 6: Final answer
    x = 13,504.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.