Home / 11,420.10-17,126.87-4,399.56

Finding the Fourth Proportional to 11,420.10, 17,126.87 and 4,399.56

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Solution

The fourth proportional to 11,420.10, 17,126.87 and 4,399.56 is: 6,598.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,420.10 : 17,126.87 = 4,399.56 : x
  2. Step 2: Convert to fraction form
    11,420.10/17,126.87 = 4,399.56/x
  3. Step 3: Cross multiply
    11,420.10x = 17,126.87 × 4,399.56
  4. Step 4: Simplify right side
    11,420.10x = 75,350,670.18
  5. Step 5: Solve for x
    x = 75,350,670.18/11,420.10
  6. Step 6: Final answer
    x = 6,598.07

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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.