Home / 14,188.10-21,285.54-6,396.89

Finding the Fourth Proportional to 14,188.10, 21,285.54 and 6,396.89

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Solution

The fourth proportional to 14,188.10, 21,285.54 and 6,396.89 is: 9,596.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.10 : 21,285.54 = 6,396.89 : x
  2. Step 2: Convert to fraction form
    14,188.10/21,285.54 = 6,396.89/x
  3. Step 3: Cross multiply
    14,188.10x = 21,285.54 × 6,396.89
  4. Step 4: Simplify right side
    14,188.10x = 136,161,151.54
  5. Step 5: Solve for x
    x = 136,161,151.54/14,188.10
  6. Step 6: Final answer
    x = 9,596.86

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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.