Home / 12,428.07-18,629.04-6,094.20

Finding the Fourth Proportional to 12,428.07, 18,629.04 and 6,094.20

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Solution

The fourth proportional to 12,428.07, 18,629.04 and 6,094.20 is: 9,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,428.07 : 18,629.04 = 6,094.20 : x
  2. Step 2: Convert to fraction form
    12,428.07/18,629.04 = 6,094.20/x
  3. Step 3: Cross multiply
    12,428.07x = 18,629.04 × 6,094.20
  4. Step 4: Simplify right side
    12,428.07x = 113,529,188.28
  5. Step 5: Solve for x
    x = 113,529,188.28/12,428.07
  6. Step 6: Final answer
    x = 9,134.90

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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.