Home / 16,912.64-25,340.16-13,213.44

Finding the Fourth Proportional to 16,912.64, 25,340.16 and 13,213.44

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Solution

The fourth proportional to 16,912.64, 25,340.16 and 13,213.44 is: 19,797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.64 : 25,340.16 = 13,213.44 : x
  2. Step 2: Convert to fraction form
    16,912.64/25,340.16 = 13,213.44/x
  3. Step 3: Cross multiply
    16,912.64x = 25,340.16 × 13,213.44
  4. Step 4: Simplify right side
    16,912.64x = 334,830,683.75
  5. Step 5: Solve for x
    x = 334,830,683.75/16,912.64
  6. Step 6: Final answer
    x = 19,797.66

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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.