Home / 12,231.04-18,346.40-2,997.12

Finding the Fourth Proportional to 12,231.04, 18,346.40 and 2,997.12

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Solution

The fourth proportional to 12,231.04, 18,346.40 and 2,997.12 is: 4,495.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231.04 : 18,346.40 = 2,997.12 : x
  2. Step 2: Convert to fraction form
    12,231.04/18,346.40 = 2,997.12/x
  3. Step 3: Cross multiply
    12,231.04x = 18,346.40 × 2,997.12
  4. Step 4: Simplify right side
    12,231.04x = 54,986,362.37
  5. Step 5: Solve for x
    x = 54,986,362.37/12,231.04
  6. Step 6: Final answer
    x = 4,495.64

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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.