Home / 14,111.91-21,171.98-6,318.90

Finding the Fourth Proportional to 14,111.91, 21,171.98 and 6,318.90

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Solution

The fourth proportional to 14,111.91, 21,171.98 and 6,318.90 is: 9,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,111.91 : 21,171.98 = 6,318.90 : x
  2. Step 2: Convert to fraction form
    14,111.91/21,171.98 = 6,318.90/x
  3. Step 3: Cross multiply
    14,111.91x = 21,171.98 × 6,318.90
  4. Step 4: Simplify right side
    14,111.91x = 133,783,624.42
  5. Step 5: Solve for x
    x = 133,783,624.42/14,111.91
  6. Step 6: Final answer
    x = 9,480.19

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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.