Home / 11,328.19-17,020.98-7,170.14

Finding the Fourth Proportional to 11,328.19, 17,020.98 and 7,170.14

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Solution

The fourth proportional to 11,328.19, 17,020.98 and 7,170.14 is: 10,773.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.19 : 17,020.98 = 7,170.14 : x
  2. Step 2: Convert to fraction form
    11,328.19/17,020.98 = 7,170.14/x
  3. Step 3: Cross multiply
    11,328.19x = 17,020.98 × 7,170.14
  4. Step 4: Simplify right side
    11,328.19x = 122,042,852.09
  5. Step 5: Solve for x
    x = 122,042,852.09/11,328.19
  6. Step 6: Final answer
    x = 10,773.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.