Home / 13,717.70-18,929.31-8,051.84

Finding the Fourth Proportional to 13,717.70, 18,929.31 and 8,051.84

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Solution

The fourth proportional to 13,717.70, 18,929.31 and 8,051.84 is: 11,110.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.70 : 18,929.31 = 8,051.84 : x
  2. Step 2: Convert to fraction form
    13,717.70/18,929.31 = 8,051.84/x
  3. Step 3: Cross multiply
    13,717.70x = 18,929.31 × 8,051.84
  4. Step 4: Simplify right side
    13,717.70x = 152,415,775.43
  5. Step 5: Solve for x
    x = 152,415,775.43/13,717.70
  6. Step 6: Final answer
    x = 11,110.88

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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.