Home / 18,348.78-25,321.37-10,795.40

Finding the Fourth Proportional to 18,348.78, 25,321.37 and 10,795.40

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Solution

The fourth proportional to 18,348.78, 25,321.37 and 10,795.40 is: 14,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.78 : 25,321.37 = 10,795.40 : x
  2. Step 2: Convert to fraction form
    18,348.78/25,321.37 = 10,795.40/x
  3. Step 3: Cross multiply
    18,348.78x = 25,321.37 × 10,795.40
  4. Step 4: Simplify right side
    18,348.78x = 273,354,137.11
  5. Step 5: Solve for x
    x = 273,354,137.11/18,348.78
  6. Step 6: Final answer
    x = 14,897.67

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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.