Home / 16,685.60-23,022.24-11,391.44

Finding the Fourth Proportional to 16,685.60, 23,022.24 and 11,391.44

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Solution

The fourth proportional to 16,685.60, 23,022.24 and 11,391.44 is: 15,717.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,685.60 : 23,022.24 = 11,391.44 : x
  2. Step 2: Convert to fraction form
    16,685.60/23,022.24 = 11,391.44/x
  3. Step 3: Cross multiply
    16,685.60x = 23,022.24 × 11,391.44
  4. Step 4: Simplify right side
    16,685.60x = 262,256,465.63
  5. Step 5: Solve for x
    x = 262,256,465.63/16,685.60
  6. Step 6: Final answer
    x = 15,717.53

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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.