Home / 17,205.89-25,743.63-10,189.67

Finding the Fourth Proportional to 17,205.89, 25,743.63 and 10,189.67

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Solution

The fourth proportional to 17,205.89, 25,743.63 and 10,189.67 is: 15,245.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,205.89 : 25,743.63 = 10,189.67 : x
  2. Step 2: Convert to fraction form
    17,205.89/25,743.63 = 10,189.67/x
  3. Step 3: Cross multiply
    17,205.89x = 25,743.63 × 10,189.67
  4. Step 4: Simplify right side
    17,205.89x = 262,319,094.30
  5. Step 5: Solve for x
    x = 262,319,094.30/17,205.89
  6. Step 6: Final answer
    x = 15,245.89

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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.