Home / 14,428.74-19,912.09-8,836.58

Finding the Fourth Proportional to 14,428.74, 19,912.09 and 8,836.58

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Solution

The fourth proportional to 14,428.74, 19,912.09 and 8,836.58 is: 12,194.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.74 : 19,912.09 = 8,836.58 : x
  2. Step 2: Convert to fraction form
    14,428.74/19,912.09 = 8,836.58/x
  3. Step 3: Cross multiply
    14,428.74x = 19,912.09 × 8,836.58
  4. Step 4: Simplify right side
    14,428.74x = 175,954,776.25
  5. Step 5: Solve for x
    x = 175,954,776.25/14,428.74
  6. Step 6: Final answer
    x = 12,194.74

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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.