Home / 13,018.19-17,964.99-7,049.84

Finding the Fourth Proportional to 13,018.19, 17,964.99 and 7,049.84

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Solution

The fourth proportional to 13,018.19, 17,964.99 and 7,049.84 is: 9,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.19 : 17,964.99 = 7,049.84 : x
  2. Step 2: Convert to fraction form
    13,018.19/17,964.99 = 7,049.84/x
  3. Step 3: Cross multiply
    13,018.19x = 17,964.99 × 7,049.84
  4. Step 4: Simplify right side
    13,018.19x = 126,650,215.28
  5. Step 5: Solve for x
    x = 126,650,215.28/13,018.19
  6. Step 6: Final answer
    x = 9,728.72

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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.