Home / 14,173.62-21,260.76-6,778.86

Finding the Fourth Proportional to 14,173.62, 21,260.76 and 6,778.86

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Solution

The fourth proportional to 14,173.62, 21,260.76 and 6,778.86 is: 10,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,173.62 : 21,260.76 = 6,778.86 : x
  2. Step 2: Convert to fraction form
    14,173.62/21,260.76 = 6,778.86/x
  3. Step 3: Cross multiply
    14,173.62x = 21,260.76 × 6,778.86
  4. Step 4: Simplify right side
    14,173.62x = 144,123,715.53
  5. Step 5: Solve for x
    x = 144,123,715.53/14,173.62
  6. Step 6: Final answer
    x = 10,168.45

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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.