Home / 12,847.08-19,274.10-4,082.20

Finding the Fourth Proportional to 12,847.08, 19,274.10 and 4,082.20

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Solution

The fourth proportional to 12,847.08, 19,274.10 and 4,082.20 is: 6,124.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.08 : 19,274.10 = 4,082.20 : x
  2. Step 2: Convert to fraction form
    12,847.08/19,274.10 = 4,082.20/x
  3. Step 3: Cross multiply
    12,847.08x = 19,274.10 × 4,082.20
  4. Step 4: Simplify right side
    12,847.08x = 78,680,731.02
  5. Step 5: Solve for x
    x = 78,680,731.02/12,847.08
  6. Step 6: Final answer
    x = 6,124.41

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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.