Home / 14,156.91-21,235.23-3,768.66

Finding the Fourth Proportional to 14,156.91, 21,235.23 and 3,768.66

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Solution

The fourth proportional to 14,156.91, 21,235.23 and 3,768.66 is: 5,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.91 : 21,235.23 = 3,768.66 : x
  2. Step 2: Convert to fraction form
    14,156.91/21,235.23 = 3,768.66/x
  3. Step 3: Cross multiply
    14,156.91x = 21,235.23 × 3,768.66
  4. Step 4: Simplify right side
    14,156.91x = 80,028,361.89
  5. Step 5: Solve for x
    x = 80,028,361.89/14,156.91
  6. Step 6: Final answer
    x = 5,652.95

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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.