Home / 11,012.19-16,521.08-3,114.69

Finding the Fourth Proportional to 11,012.19, 16,521.08 and 3,114.69

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Solution

The fourth proportional to 11,012.19, 16,521.08 and 3,114.69 is: 4,672.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.19 : 16,521.08 = 3,114.69 : x
  2. Step 2: Convert to fraction form
    11,012.19/16,521.08 = 3,114.69/x
  3. Step 3: Cross multiply
    11,012.19x = 16,521.08 × 3,114.69
  4. Step 4: Simplify right side
    11,012.19x = 51,458,027.09
  5. Step 5: Solve for x
    x = 51,458,027.09/11,012.19
  6. Step 6: Final answer
    x = 4,672.82

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1.5x scale

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.