Home / 18,889.76-26,067.04-10,391.34

Finding the Fourth Proportional to 18,889.76, 26,067.04 and 10,391.34

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Solution

The fourth proportional to 18,889.76, 26,067.04 and 10,391.34 is: 14,339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,889.76 : 26,067.04 = 10,391.34 : x
  2. Step 2: Convert to fraction form
    18,889.76/26,067.04 = 10,391.34/x
  3. Step 3: Cross multiply
    18,889.76x = 26,067.04 × 10,391.34
  4. Step 4: Simplify right side
    18,889.76x = 270,871,475.43
  5. Step 5: Solve for x
    x = 270,871,475.43/18,889.76
  6. Step 6: Final answer
    x = 14,339.60

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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.