Home / 11,104.88-15,330.84-7,573.28

Finding the Fourth Proportional to 11,104.88, 15,330.84 and 7,573.28

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Solution

The fourth proportional to 11,104.88, 15,330.84 and 7,573.28 is: 10,455.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.88 : 15,330.84 = 7,573.28 : x
  2. Step 2: Convert to fraction form
    11,104.88/15,330.84 = 7,573.28/x
  3. Step 3: Cross multiply
    11,104.88x = 15,330.84 × 7,573.28
  4. Step 4: Simplify right side
    11,104.88x = 116,104,743.96
  5. Step 5: Solve for x
    x = 116,104,743.96/11,104.88
  6. Step 6: Final answer
    x = 10,455.29

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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.