Home / 18,744.68-28,102.97-11,347.35

Finding the Fourth Proportional to 18,744.68, 28,102.97 and 11,347.35

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Solution

The fourth proportional to 18,744.68, 28,102.97 and 11,347.35 is: 17,012.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.68 : 28,102.97 = 11,347.35 : x
  2. Step 2: Convert to fraction form
    18,744.68/28,102.97 = 11,347.35/x
  3. Step 3: Cross multiply
    18,744.68x = 28,102.97 × 11,347.35
  4. Step 4: Simplify right side
    18,744.68x = 318,894,179.89
  5. Step 5: Solve for x
    x = 318,894,179.89/18,744.68
  6. Step 6: Final answer
    x = 17,012.52

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1.5x scale

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.