Home / 19,778.49-27,294.34-10,826.56

Finding the Fourth Proportional to 19,778.49, 27,294.34 and 10,826.56

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Solution

The fourth proportional to 19,778.49, 27,294.34 and 10,826.56 is: 14,940.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778.49 : 27,294.34 = 10,826.56 : x
  2. Step 2: Convert to fraction form
    19,778.49/27,294.34 = 10,826.56/x
  3. Step 3: Cross multiply
    19,778.49x = 27,294.34 × 10,826.56
  4. Step 4: Simplify right side
    19,778.49x = 295,503,809.67
  5. Step 5: Solve for x
    x = 295,503,809.67/19,778.49
  6. Step 6: Final answer
    x = 14,940.67

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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.