Home / 17,147.03-23,670.99-12,899.71

Finding the Fourth Proportional to 17,147.03, 23,670.99 and 12,899.71

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Solution

The fourth proportional to 17,147.03, 23,670.99 and 12,899.71 is: 17,807.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,147.03 : 23,670.99 = 12,899.71 : x
  2. Step 2: Convert to fraction form
    17,147.03/23,670.99 = 12,899.71/x
  3. Step 3: Cross multiply
    17,147.03x = 23,670.99 × 12,899.71
  4. Step 4: Simplify right side
    17,147.03x = 305,348,906.41
  5. Step 5: Solve for x
    x = 305,348,906.41/17,147.03
  6. Step 6: Final answer
    x = 17,807.68

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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.