Home / 13,018.03-17,964.79-7,049.56

Finding the Fourth Proportional to 13,018.03, 17,964.79 and 7,049.56

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Solution

The fourth proportional to 13,018.03, 17,964.79 and 7,049.56 is: 9,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.03 : 17,964.79 = 7,049.56 : x
  2. Step 2: Convert to fraction form
    13,018.03/17,964.79 = 7,049.56/x
  3. Step 3: Cross multiply
    13,018.03x = 17,964.79 × 7,049.56
  4. Step 4: Simplify right side
    13,018.03x = 126,643,864.99
  5. Step 5: Solve for x
    x = 126,643,864.99/13,018.03
  6. Step 6: Final answer
    x = 9,728.34

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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.