Home / 19,352.94-26,709.30-10,857.39

Finding the Fourth Proportional to 19,352.94, 26,709.30 and 10,857.39

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Solution

The fourth proportional to 19,352.94, 26,709.30 and 10,857.39 is: 14,984.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,352.94 : 26,709.30 = 10,857.39 : x
  2. Step 2: Convert to fraction form
    19,352.94/26,709.30 = 10,857.39/x
  3. Step 3: Cross multiply
    19,352.94x = 26,709.30 × 10,857.39
  4. Step 4: Simplify right side
    19,352.94x = 289,993,286.73
  5. Step 5: Solve for x
    x = 289,993,286.73/19,352.94
  6. Step 6: Final answer
    x = 14,984.46

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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.