Home / 9,146.34-13,705.20-7,071.46

Finding the Fourth Proportional to 9,146.34, 13,705.20 and 7,071.46

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Solution

The fourth proportional to 9,146.34, 13,705.20 and 7,071.46 is: 10,596.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.34 : 13,705.20 = 7,071.46 : x
  2. Step 2: Convert to fraction form
    9,146.34/13,705.20 = 7,071.46/x
  3. Step 3: Cross multiply
    9,146.34x = 13,705.20 × 7,071.46
  4. Step 4: Simplify right side
    9,146.34x = 96,915,739.33
  5. Step 5: Solve for x
    x = 96,915,739.33/9,146.34
  6. Step 6: Final answer
    x = 10,596.12

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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.