Home / 13,629.24-18,784.44-13,250.16

Finding the Fourth Proportional to 13,629.24, 18,784.44 and 13,250.16

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Solution

The fourth proportional to 13,629.24, 18,784.44 and 13,250.16 is: 18,261.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629.24 : 18,784.44 = 13,250.16 : x
  2. Step 2: Convert to fraction form
    13,629.24/18,784.44 = 13,250.16/x
  3. Step 3: Cross multiply
    13,629.24x = 18,784.44 × 13,250.16
  4. Step 4: Simplify right side
    13,629.24x = 248,896,835.51
  5. Step 5: Solve for x
    x = 248,896,835.51/13,629.24
  6. Step 6: Final answer
    x = 18,261.97

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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.