Home / 11,287.45-16,935.02-4,269.48

Finding the Fourth Proportional to 11,287.45, 16,935.02 and 4,269.48

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Solution

The fourth proportional to 11,287.45, 16,935.02 and 4,269.48 is: 6,405.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.45 : 16,935.02 = 4,269.48 : x
  2. Step 2: Convert to fraction form
    11,287.45/16,935.02 = 4,269.48/x
  3. Step 3: Cross multiply
    11,287.45x = 16,935.02 × 4,269.48
  4. Step 4: Simplify right side
    11,287.45x = 72,303,827.25
  5. Step 5: Solve for x
    x = 72,303,827.25/11,287.45
  6. Step 6: Final answer
    x = 6,405.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.