Home / 13,018.32-17,965.20-7,050

Finding the Fourth Proportional to 13,018.32, 17,965.20 and 7,050

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Solution

The fourth proportional to 13,018.32, 17,965.20 and 7,050 is: 9,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.32 : 17,965.20 = 7,050 : x
  2. Step 2: Convert to fraction form
    13,018.32/17,965.20 = 7,050/x
  3. Step 3: Cross multiply
    13,018.32x = 17,965.20 × 7,050
  4. Step 4: Simplify right side
    13,018.32x = 126,654,660
  5. Step 5: Solve for x
    x = 126,654,660/13,018.32
  6. Step 6: Final answer
    x = 9,728.96

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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.