Home / 15,771.44-23,765.69-13,059.15

Finding the Fourth Proportional to 15,771.44, 23,765.69 and 13,059.15

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Solution

The fourth proportional to 15,771.44, 23,765.69 and 13,059.15 is: 19,678.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771.44 : 23,765.69 = 13,059.15 : x
  2. Step 2: Convert to fraction form
    15,771.44/23,765.69 = 13,059.15/x
  3. Step 3: Cross multiply
    15,771.44x = 23,765.69 × 13,059.15
  4. Step 4: Simplify right side
    15,771.44x = 310,359,645.27
  5. Step 5: Solve for x
    x = 310,359,645.27/15,771.44
  6. Step 6: Final answer
    x = 19,678.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.