Home / 18,748.74-25,894.53-12,770.04

Finding the Fourth Proportional to 18,748.74, 25,894.53 and 12,770.04

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Solution

The fourth proportional to 18,748.74, 25,894.53 and 12,770.04 is: 17,637.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.74 : 25,894.53 = 12,770.04 : x
  2. Step 2: Convert to fraction form
    18,748.74/25,894.53 = 12,770.04/x
  3. Step 3: Cross multiply
    18,748.74x = 25,894.53 × 12,770.04
  4. Step 4: Simplify right side
    18,748.74x = 330,674,183.88
  5. Step 5: Solve for x
    x = 330,674,183.88/18,748.74
  6. Step 6: Final answer
    x = 17,637.14

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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.