Home / 9,420.18-14,128.20-2,844.60

Finding the Fourth Proportional to 9,420.18, 14,128.20 and 2,844.60

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Solution

The fourth proportional to 9,420.18, 14,128.20 and 2,844.60 is: 4,266.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.18 : 14,128.20 = 2,844.60 : x
  2. Step 2: Convert to fraction form
    9,420.18/14,128.20 = 2,844.60/x
  3. Step 3: Cross multiply
    9,420.18x = 14,128.20 × 2,844.60
  4. Step 4: Simplify right side
    9,420.18x = 40,189,077.72
  5. Step 5: Solve for x
    x = 40,189,077.72/9,420.18
  6. Step 6: Final answer
    x = 4,266.27

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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.