Home / 18,780.04-28,171.60-6,300.18

Finding the Fourth Proportional to 18,780.04, 28,171.60 and 6,300.18

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Solution

The fourth proportional to 18,780.04, 28,171.60 and 6,300.18 is: 9,450.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,780.04 : 28,171.60 = 6,300.18 : x
  2. Step 2: Convert to fraction form
    18,780.04/28,171.60 = 6,300.18/x
  3. Step 3: Cross multiply
    18,780.04x = 28,171.60 × 6,300.18
  4. Step 4: Simplify right side
    18,780.04x = 177,486,150.89
  5. Step 5: Solve for x
    x = 177,486,150.89/18,780.04
  6. Step 6: Final answer
    x = 9,450.79

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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.