Home / 10,120.62-13,974.75-6,971.34

Finding the Fourth Proportional to 10,120.62, 13,974.75 and 6,971.34

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Solution

The fourth proportional to 10,120.62, 13,974.75 and 6,971.34 is: 9,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.62 : 13,974.75 = 6,971.34 : x
  2. Step 2: Convert to fraction form
    10,120.62/13,974.75 = 6,971.34/x
  3. Step 3: Cross multiply
    10,120.62x = 13,974.75 × 6,971.34
  4. Step 4: Simplify right side
    10,120.62x = 97,422,733.67
  5. Step 5: Solve for x
    x = 97,422,733.67/10,120.62
  6. Step 6: Final answer
    x = 9,626.16

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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.