Home / 19,000.32-28,499.84-8,604.80

Finding the Fourth Proportional to 19,000.32, 28,499.84 and 8,604.80

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Solution

The fourth proportional to 19,000.32, 28,499.84 and 8,604.80 is: 12,906.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.32 : 28,499.84 = 8,604.80 : x
  2. Step 2: Convert to fraction form
    19,000.32/28,499.84 = 8,604.80/x
  3. Step 3: Cross multiply
    19,000.32x = 28,499.84 × 8,604.80
  4. Step 4: Simplify right side
    19,000.32x = 245,235,423.23
  5. Step 5: Solve for x
    x = 245,235,423.23/19,000.32
  6. Step 6: Final answer
    x = 12,906.91

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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.