Home / 14,273.57-21,420.87-6,777.16

Finding the Fourth Proportional to 14,273.57, 21,420.87 and 6,777.16

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Solution

The fourth proportional to 14,273.57, 21,420.87 and 6,777.16 is: 10,170.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.57 : 21,420.87 = 6,777.16 : x
  2. Step 2: Convert to fraction form
    14,273.57/21,420.87 = 6,777.16/x
  3. Step 3: Cross multiply
    14,273.57x = 21,420.87 × 6,777.16
  4. Step 4: Simplify right side
    14,273.57x = 145,172,663.33
  5. Step 5: Solve for x
    x = 145,172,663.33/14,273.57
  6. Step 6: Final answer
    x = 10,170.73

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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.