Home / 14,428.82-19,912.78-8,056.66

Finding the Fourth Proportional to 14,428.82, 19,912.78 and 8,056.66

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Solution

The fourth proportional to 14,428.82, 19,912.78 and 8,056.66 is: 11,118.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.82 : 19,912.78 = 8,056.66 : x
  2. Step 2: Convert to fraction form
    14,428.82/19,912.78 = 8,056.66/x
  3. Step 3: Cross multiply
    14,428.82x = 19,912.78 × 8,056.66
  4. Step 4: Simplify right side
    14,428.82x = 160,430,498.11
  5. Step 5: Solve for x
    x = 160,430,498.11/14,428.82
  6. Step 6: Final answer
    x = 11,118.75

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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.