Home / 11,998.83-16,470.33-10,642.89

Finding the Fourth Proportional to 11,998.83, 16,470.33 and 10,642.89

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Solution

The fourth proportional to 11,998.83, 16,470.33 and 10,642.89 is: 14,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.83 : 16,470.33 = 10,642.89 : x
  2. Step 2: Convert to fraction form
    11,998.83/16,470.33 = 10,642.89/x
  3. Step 3: Cross multiply
    11,998.83x = 16,470.33 × 10,642.89
  4. Step 4: Simplify right side
    11,998.83x = 175,291,910.45
  5. Step 5: Solve for x
    x = 175,291,910.45/11,998.83
  6. Step 6: Final answer
    x = 14,609.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.