Home / 15,383.94-23,119.19-9,145.07

Finding the Fourth Proportional to 15,383.94, 23,119.19 and 9,145.07

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Solution

The fourth proportional to 15,383.94, 23,119.19 and 9,145.07 is: 13,743.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383.94 : 23,119.19 = 9,145.07 : x
  2. Step 2: Convert to fraction form
    15,383.94/23,119.19 = 9,145.07/x
  3. Step 3: Cross multiply
    15,383.94x = 23,119.19 × 9,145.07
  4. Step 4: Simplify right side
    15,383.94x = 211,426,570.56
  5. Step 5: Solve for x
    x = 211,426,570.56/15,383.94
  6. Step 6: Final answer
    x = 13,743.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.