Home / 19,163.52-28,711.08-10,392.84

Finding the Fourth Proportional to 19,163.52, 28,711.08 and 10,392.84

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Solution

The fourth proportional to 19,163.52, 28,711.08 and 10,392.84 is: 15,570.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.52 : 28,711.08 = 10,392.84 : x
  2. Step 2: Convert to fraction form
    19,163.52/28,711.08 = 10,392.84/x
  3. Step 3: Cross multiply
    19,163.52x = 28,711.08 × 10,392.84
  4. Step 4: Simplify right side
    19,163.52x = 298,389,660.67
  5. Step 5: Solve for x
    x = 298,389,660.67/19,163.52
  6. Step 6: Final answer
    x = 15,570.71

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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.