Home / 13,256.44-18,293.42-7,288.07

Finding the Fourth Proportional to 13,256.44, 18,293.42 and 7,288.07

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Solution

The fourth proportional to 13,256.44, 18,293.42 and 7,288.07 is: 10,057.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.44 : 18,293.42 = 7,288.07 : x
  2. Step 2: Convert to fraction form
    13,256.44/18,293.42 = 7,288.07/x
  3. Step 3: Cross multiply
    13,256.44x = 18,293.42 × 7,288.07
  4. Step 4: Simplify right side
    13,256.44x = 133,323,597.59
  5. Step 5: Solve for x
    x = 133,323,597.59/13,256.44
  6. Step 6: Final answer
    x = 10,057.27

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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.