Home / 11,256.30-16,852.05-10,089.90

Finding the Fourth Proportional to 11,256.30, 16,852.05 and 10,089.90

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Solution

The fourth proportional to 11,256.30, 16,852.05 and 10,089.90 is: 15,105.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.30 : 16,852.05 = 10,089.90 : x
  2. Step 2: Convert to fraction form
    11,256.30/16,852.05 = 10,089.90/x
  3. Step 3: Cross multiply
    11,256.30x = 16,852.05 × 10,089.90
  4. Step 4: Simplify right side
    11,256.30x = 170,035,499.30
  5. Step 5: Solve for x
    x = 170,035,499.30/11,256.30
  6. Step 6: Final answer
    x = 15,105.81

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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.