Home / 13,242.43-18,274.44-7,274.26

Finding the Fourth Proportional to 13,242.43, 18,274.44 and 7,274.26

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Solution

The fourth proportional to 13,242.43, 18,274.44 and 7,274.26 is: 10,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.43 : 18,274.44 = 7,274.26 : x
  2. Step 2: Convert to fraction form
    13,242.43/18,274.44 = 7,274.26/x
  3. Step 3: Cross multiply
    13,242.43x = 18,274.44 × 7,274.26
  4. Step 4: Simplify right side
    13,242.43x = 132,933,027.91
  5. Step 5: Solve for x
    x = 132,933,027.91/13,242.43
  6. Step 6: Final answer
    x = 10,038.42

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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.