Home / 17,142.24-23,656.08-9,690.24

Finding the Fourth Proportional to 17,142.24, 23,656.08 and 9,690.24

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Solution

The fourth proportional to 17,142.24, 23,656.08 and 9,690.24 is: 13,372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,142.24 : 23,656.08 = 9,690.24 : x
  2. Step 2: Convert to fraction form
    17,142.24/23,656.08 = 9,690.24/x
  3. Step 3: Cross multiply
    17,142.24x = 23,656.08 × 9,690.24
  4. Step 4: Simplify right side
    17,142.24x = 229,233,092.66
  5. Step 5: Solve for x
    x = 229,233,092.66/17,142.24
  6. Step 6: Final answer
    x = 13,372.41

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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.