Home / 12,303.58-18,458.52-3,539.14

Finding the Fourth Proportional to 12,303.58, 18,458.52 and 3,539.14

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Solution

The fourth proportional to 12,303.58, 18,458.52 and 3,539.14 is: 5,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.58 : 18,458.52 = 3,539.14 : x
  2. Step 2: Convert to fraction form
    12,303.58/18,458.52 = 3,539.14/x
  3. Step 3: Cross multiply
    12,303.58x = 18,458.52 × 3,539.14
  4. Step 4: Simplify right side
    12,303.58x = 65,327,286.47
  5. Step 5: Solve for x
    x = 65,327,286.47/12,303.58
  6. Step 6: Final answer
    x = 5,309.62

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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.