Home / 11,888.12-16,405.12-6,582.62

Finding the Fourth Proportional to 11,888.12, 16,405.12 and 6,582.62

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Solution

The fourth proportional to 11,888.12, 16,405.12 and 6,582.62 is: 9,083.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.12 : 16,405.12 = 6,582.62 : x
  2. Step 2: Convert to fraction form
    11,888.12/16,405.12 = 6,582.62/x
  3. Step 3: Cross multiply
    11,888.12x = 16,405.12 × 6,582.62
  4. Step 4: Simplify right side
    11,888.12x = 107,988,671.01
  5. Step 5: Solve for x
    x = 107,988,671.01/11,888.12
  6. Step 6: Final answer
    x = 9,083.75

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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.