Home / 19,291.92-28,930.53-6,809.62

Finding the Fourth Proportional to 19,291.92, 28,930.53 and 6,809.62

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Solution

The fourth proportional to 19,291.92, 28,930.53 and 6,809.62 is: 10,211.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.92 : 28,930.53 = 6,809.62 : x
  2. Step 2: Convert to fraction form
    19,291.92/28,930.53 = 6,809.62/x
  3. Step 3: Cross multiply
    19,291.92x = 28,930.53 × 6,809.62
  4. Step 4: Simplify right side
    19,291.92x = 197,005,915.70
  5. Step 5: Solve for x
    x = 197,005,915.70/19,291.92
  6. Step 6: Final answer
    x = 10,211.84

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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.