Home / 15,670.16-23,469.24-13,173.20

Finding the Fourth Proportional to 15,670.16, 23,469.24 and 13,173.20

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Solution

The fourth proportional to 15,670.16, 23,469.24 and 13,173.20 is: 19,729.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.16 : 23,469.24 = 13,173.20 : x
  2. Step 2: Convert to fraction form
    15,670.16/23,469.24 = 13,173.20/x
  3. Step 3: Cross multiply
    15,670.16x = 23,469.24 × 13,173.20
  4. Step 4: Simplify right side
    15,670.16x = 309,164,992.37
  5. Step 5: Solve for x
    x = 309,164,992.37/15,670.16
  6. Step 6: Final answer
    x = 19,729.54

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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.