Home / 11,284.60-15,567.78-6,808.54

Finding the Fourth Proportional to 11,284.60, 15,567.78 and 6,808.54

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Solution

The fourth proportional to 11,284.60, 15,567.78 and 6,808.54 is: 9,392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.60 : 15,567.78 = 6,808.54 : x
  2. Step 2: Convert to fraction form
    11,284.60/15,567.78 = 6,808.54/x
  3. Step 3: Cross multiply
    11,284.60x = 15,567.78 × 6,808.54
  4. Step 4: Simplify right side
    11,284.60x = 105,993,852.84
  5. Step 5: Solve for x
    x = 105,993,852.84/11,284.60
  6. Step 6: Final answer
    x = 9,392.79

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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.