Home / 18,730.14-28,085.80-6,245.74

Finding the Fourth Proportional to 18,730.14, 28,085.80 and 6,245.74

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Solution

The fourth proportional to 18,730.14, 28,085.80 and 6,245.74 is: 9,365.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.14 : 28,085.80 = 6,245.74 : x
  2. Step 2: Convert to fraction form
    18,730.14/28,085.80 = 6,245.74/x
  3. Step 3: Cross multiply
    18,730.14x = 28,085.80 × 6,245.74
  4. Step 4: Simplify right side
    18,730.14x = 175,416,604.49
  5. Step 5: Solve for x
    x = 175,416,604.49/18,730.14
  6. Step 6: Final answer
    x = 9,365.47

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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.