Home / 13,874.08-19,148.37-10,912.37

Finding the Fourth Proportional to 13,874.08, 19,148.37 and 10,912.37

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Solution

The fourth proportional to 13,874.08, 19,148.37 and 10,912.37 is: 15,060.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874.08 : 19,148.37 = 10,912.37 : x
  2. Step 2: Convert to fraction form
    13,874.08/19,148.37 = 10,912.37/x
  3. Step 3: Cross multiply
    13,874.08x = 19,148.37 × 10,912.37
  4. Step 4: Simplify right side
    13,874.08x = 208,954,002.60
  5. Step 5: Solve for x
    x = 208,954,002.60/13,874.08
  6. Step 6: Final answer
    x = 15,060.75

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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.