Home / 11,101.64-15,313.56-7,323.44

Finding the Fourth Proportional to 11,101.64, 15,313.56 and 7,323.44

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Solution

The fourth proportional to 11,101.64, 15,313.56 and 7,323.44 is: 10,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.64 : 15,313.56 = 7,323.44 : x
  2. Step 2: Convert to fraction form
    11,101.64/15,313.56 = 7,323.44/x
  3. Step 3: Cross multiply
    11,101.64x = 15,313.56 × 7,323.44
  4. Step 4: Simplify right side
    11,101.64x = 112,147,937.85
  5. Step 5: Solve for x
    x = 112,147,937.85/11,101.64
  6. Step 6: Final answer
    x = 10,101.93

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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.