Home / 9,414.63-14,121.59-2,840.64

Finding the Fourth Proportional to 9,414.63, 14,121.59 and 2,840.64

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Solution

The fourth proportional to 9,414.63, 14,121.59 and 2,840.64 is: 4,260.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,414.63 : 14,121.59 = 2,840.64 : x
  2. Step 2: Convert to fraction form
    9,414.63/14,121.59 = 2,840.64/x
  3. Step 3: Cross multiply
    9,414.63x = 14,121.59 × 2,840.64
  4. Step 4: Simplify right side
    9,414.63x = 40,114,353.42
  5. Step 5: Solve for x
    x = 40,114,353.42/9,414.63
  6. Step 6: Final answer
    x = 4,260.85

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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.