Home / 12,538.48-18,808.08-3,304.48

Finding the Fourth Proportional to 12,538.48, 18,808.08 and 3,304.48

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Solution

The fourth proportional to 12,538.48, 18,808.08 and 3,304.48 is: 4,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538.48 : 18,808.08 = 3,304.48 : x
  2. Step 2: Convert to fraction form
    12,538.48/18,808.08 = 3,304.48/x
  3. Step 3: Cross multiply
    12,538.48x = 18,808.08 × 3,304.48
  4. Step 4: Simplify right side
    12,538.48x = 62,150,924.20
  5. Step 5: Solve for x
    x = 62,150,924.20/12,538.48
  6. Step 6: Final answer
    x = 4,956.81

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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.