Home / 11,925.52-16,458.12-6,621.36

Finding the Fourth Proportional to 11,925.52, 16,458.12 and 6,621.36

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Solution

The fourth proportional to 11,925.52, 16,458.12 and 6,621.36 is: 9,137.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.52 : 16,458.12 = 6,621.36 : x
  2. Step 2: Convert to fraction form
    11,925.52/16,458.12 = 6,621.36/x
  3. Step 3: Cross multiply
    11,925.52x = 16,458.12 × 6,621.36
  4. Step 4: Simplify right side
    11,925.52x = 108,975,137.44
  5. Step 5: Solve for x
    x = 108,975,137.44/11,925.52
  6. Step 6: Final answer
    x = 9,137.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.