Home / 18,601.29-25,667.07-10,642.02

Finding the Fourth Proportional to 18,601.29, 25,667.07 and 10,642.02

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Solution

The fourth proportional to 18,601.29, 25,667.07 and 10,642.02 is: 14,684.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.29 : 25,667.07 = 10,642.02 : x
  2. Step 2: Convert to fraction form
    18,601.29/25,667.07 = 10,642.02/x
  3. Step 3: Cross multiply
    18,601.29x = 25,667.07 × 10,642.02
  4. Step 4: Simplify right side
    18,601.29x = 273,149,472.28
  5. Step 5: Solve for x
    x = 273,149,472.28/18,601.29
  6. Step 6: Final answer
    x = 14,684.44

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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.