Home / 11,204.37-15,455.63-7,005.33

Finding the Fourth Proportional to 11,204.37, 15,455.63 and 7,005.33

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Solution

The fourth proportional to 11,204.37, 15,455.63 and 7,005.33 is: 9,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,204.37 : 15,455.63 = 7,005.33 : x
  2. Step 2: Convert to fraction form
    11,204.37/15,455.63 = 7,005.33/x
  3. Step 3: Cross multiply
    11,204.37x = 15,455.63 × 7,005.33
  4. Step 4: Simplify right side
    11,204.37x = 108,271,811.44
  5. Step 5: Solve for x
    x = 108,271,811.44/11,204.37
  6. Step 6: Final answer
    x = 9,663.35

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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.