Home / 12,861.03-19,276.12-6,623.99

Finding the Fourth Proportional to 12,861.03, 19,276.12 and 6,623.99

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Solution

The fourth proportional to 12,861.03, 19,276.12 and 6,623.99 is: 9,928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861.03 : 19,276.12 = 6,623.99 : x
  2. Step 2: Convert to fraction form
    12,861.03/19,276.12 = 6,623.99/x
  3. Step 3: Cross multiply
    12,861.03x = 19,276.12 × 6,623.99
  4. Step 4: Simplify right side
    12,861.03x = 127,684,826.12
  5. Step 5: Solve for x
    x = 127,684,826.12/12,861.03
  6. Step 6: Final answer
    x = 9,928.04

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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.