Home / 9,146.59-13,705.57-7,071.72

Finding the Fourth Proportional to 9,146.59, 13,705.57 and 7,071.72

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Solution

The fourth proportional to 9,146.59, 13,705.57 and 7,071.72 is: 10,596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.59 : 13,705.57 = 7,071.72 : x
  2. Step 2: Convert to fraction form
    9,146.59/13,705.57 = 7,071.72/x
  3. Step 3: Cross multiply
    9,146.59x = 13,705.57 × 7,071.72
  4. Step 4: Simplify right side
    9,146.59x = 96,921,953.48
  5. Step 5: Solve for x
    x = 96,921,953.48/9,146.59
  6. Step 6: Final answer
    x = 10,596.51

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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.