Home / 12,304.86-18,460.30-3,539.72

Finding the Fourth Proportional to 12,304.86, 18,460.30 and 3,539.72

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Solution

The fourth proportional to 12,304.86, 18,460.30 and 3,539.72 is: 5,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.86 : 18,460.30 = 3,539.72 : x
  2. Step 2: Convert to fraction form
    12,304.86/18,460.30 = 3,539.72/x
  3. Step 3: Cross multiply
    12,304.86x = 18,460.30 × 3,539.72
  4. Step 4: Simplify right side
    12,304.86x = 65,344,293.12
  5. Step 5: Solve for x
    x = 65,344,293.12/12,304.86
  6. Step 6: Final answer
    x = 5,310.45

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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.