Home / 11,816.51-16,306.58-6,511.82

Finding the Fourth Proportional to 11,816.51, 16,306.58 and 6,511.82

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Solution

The fourth proportional to 11,816.51, 16,306.58 and 6,511.82 is: 8,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.51 : 16,306.58 = 6,511.82 : x
  2. Step 2: Convert to fraction form
    11,816.51/16,306.58 = 6,511.82/x
  3. Step 3: Cross multiply
    11,816.51x = 16,306.58 × 6,511.82
  4. Step 4: Simplify right side
    11,816.51x = 106,185,448.52
  5. Step 5: Solve for x
    x = 106,185,448.52/11,816.51
  6. Step 6: Final answer
    x = 8,986.20

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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.