Home / 8,055.24-12,015.92-7,921.58

Finding the Fourth Proportional to 8,055.24, 12,015.92 and 7,921.58

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Solution

The fourth proportional to 8,055.24, 12,015.92 and 7,921.58 is: 11,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.24 : 12,015.92 = 7,921.58 : x
  2. Step 2: Convert to fraction form
    8,055.24/12,015.92 = 7,921.58/x
  3. Step 3: Cross multiply
    8,055.24x = 12,015.92 × 7,921.58
  4. Step 4: Simplify right side
    8,055.24x = 95,185,071.55
  5. Step 5: Solve for x
    x = 95,185,071.55/8,055.24
  6. Step 6: Final answer
    x = 11,816.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.