Home / 14,429.79-19,912.21-8,055.97

Finding the Fourth Proportional to 14,429.79, 19,912.21 and 8,055.97

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Solution

The fourth proportional to 14,429.79, 19,912.21 and 8,055.97 is: 11,116.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.79 : 19,912.21 = 8,055.97 : x
  2. Step 2: Convert to fraction form
    14,429.79/19,912.21 = 8,055.97/x
  3. Step 3: Cross multiply
    14,429.79x = 19,912.21 × 8,055.97
  4. Step 4: Simplify right side
    14,429.79x = 160,412,166.39
  5. Step 5: Solve for x
    x = 160,412,166.39/14,429.79
  6. Step 6: Final answer
    x = 11,116.74

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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.