Home / 13,008.73-17,954.04-7,345.75

Finding the Fourth Proportional to 13,008.73, 17,954.04 and 7,345.75

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Solution

The fourth proportional to 13,008.73, 17,954.04 and 7,345.75 is: 10,138.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.73 : 17,954.04 = 7,345.75 : x
  2. Step 2: Convert to fraction form
    13,008.73/17,954.04 = 7,345.75/x
  3. Step 3: Cross multiply
    13,008.73x = 17,954.04 × 7,345.75
  4. Step 4: Simplify right side
    13,008.73x = 131,885,889.33
  5. Step 5: Solve for x
    x = 131,885,889.33/13,008.73
  6. Step 6: Final answer
    x = 10,138.26

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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.