Home / 13,256.64-18,323.42-11,651.24

Finding the Fourth Proportional to 13,256.64, 18,323.42 and 11,651.24

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Solution

The fourth proportional to 13,256.64, 18,323.42 and 11,651.24 is: 16,104.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.64 : 18,323.42 = 11,651.24 : x
  2. Step 2: Convert to fraction form
    13,256.64/18,323.42 = 11,651.24/x
  3. Step 3: Cross multiply
    13,256.64x = 18,323.42 × 11,651.24
  4. Step 4: Simplify right side
    13,256.64x = 213,490,551.59
  5. Step 5: Solve for x
    x = 213,490,551.59/13,256.64
  6. Step 6: Final answer
    x = 16,104.43

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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.