Home / 11,530.70-15,912.69-7,054.37

Finding the Fourth Proportional to 11,530.70, 15,912.69 and 7,054.37

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Solution

The fourth proportional to 11,530.70, 15,912.69 and 7,054.37 is: 9,735.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530.70 : 15,912.69 = 7,054.37 : x
  2. Step 2: Convert to fraction form
    11,530.70/15,912.69 = 7,054.37/x
  3. Step 3: Cross multiply
    11,530.70x = 15,912.69 × 7,054.37
  4. Step 4: Simplify right side
    11,530.70x = 112,253,967.68
  5. Step 5: Solve for x
    x = 112,253,967.68/11,530.70
  6. Step 6: Final answer
    x = 9,735.23

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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.