Home / 16,690.85-25,049.95-6,830.21

Finding the Fourth Proportional to 16,690.85, 25,049.95 and 6,830.21

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Solution

The fourth proportional to 16,690.85, 25,049.95 and 6,830.21 is: 10,250.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690.85 : 25,049.95 = 6,830.21 : x
  2. Step 2: Convert to fraction form
    16,690.85/25,049.95 = 6,830.21/x
  3. Step 3: Cross multiply
    16,690.85x = 25,049.95 × 6,830.21
  4. Step 4: Simplify right side
    16,690.85x = 171,096,384.84
  5. Step 5: Solve for x
    x = 171,096,384.84/16,690.85
  6. Step 6: Final answer
    x = 10,250.91

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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.