Home / 11,948.95-16,489.97-6,571.79

Finding the Fourth Proportional to 11,948.95, 16,489.97 and 6,571.79

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Solution

The fourth proportional to 11,948.95, 16,489.97 and 6,571.79 is: 9,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.95 : 16,489.97 = 6,571.79 : x
  2. Step 2: Convert to fraction form
    11,948.95/16,489.97 = 6,571.79/x
  3. Step 3: Cross multiply
    11,948.95x = 16,489.97 × 6,571.79
  4. Step 4: Simplify right side
    11,948.95x = 108,368,619.95
  5. Step 5: Solve for x
    x = 108,368,619.95/11,948.95
  6. Step 6: Final answer
    x = 9,069.30

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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.