Home / 14,156.66-21,234.89-3,626.66

Finding the Fourth Proportional to 14,156.66, 21,234.89 and 3,626.66

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Solution

The fourth proportional to 14,156.66, 21,234.89 and 3,626.66 is: 5,439.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.66 : 21,234.89 = 3,626.66 : x
  2. Step 2: Convert to fraction form
    14,156.66/21,234.89 = 3,626.66/x
  3. Step 3: Cross multiply
    14,156.66x = 21,234.89 × 3,626.66
  4. Step 4: Simplify right side
    14,156.66x = 77,011,601.86
  5. Step 5: Solve for x
    x = 77,011,601.86/14,156.66
  6. Step 6: Final answer
    x = 5,439.96

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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.