Home / 14,744.09-20,347.70-11,103.62

Finding the Fourth Proportional to 14,744.09, 20,347.70 and 11,103.62

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Solution

The fourth proportional to 14,744.09, 20,347.70 and 11,103.62 is: 15,323.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,744.09 : 20,347.70 = 11,103.62 : x
  2. Step 2: Convert to fraction form
    14,744.09/20,347.70 = 11,103.62/x
  3. Step 3: Cross multiply
    14,744.09x = 20,347.70 × 11,103.62
  4. Step 4: Simplify right side
    14,744.09x = 225,933,207.30
  5. Step 5: Solve for x
    x = 225,933,207.30/14,744.09
  6. Step 6: Final answer
    x = 15,323.64

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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.