Home / 12,293.40-18,436.68-3,525.96

Finding the Fourth Proportional to 12,293.40, 18,436.68 and 3,525.96

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Solution

The fourth proportional to 12,293.40, 18,436.68 and 3,525.96 is: 5,287.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293.40 : 18,436.68 = 3,525.96 : x
  2. Step 2: Convert to fraction form
    12,293.40/18,436.68 = 3,525.96/x
  3. Step 3: Cross multiply
    12,293.40x = 18,436.68 × 3,525.96
  4. Step 4: Simplify right side
    12,293.40x = 65,006,996.21
  5. Step 5: Solve for x
    x = 65,006,996.21/12,293.40
  6. Step 6: Final answer
    x = 5,287.96

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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.