Home / 12,374.40-18,563.27-3,609.24

Finding the Fourth Proportional to 12,374.40, 18,563.27 and 3,609.24

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Solution

The fourth proportional to 12,374.40, 18,563.27 and 3,609.24 is: 5,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.40 : 18,563.27 = 3,609.24 : x
  2. Step 2: Convert to fraction form
    12,374.40/18,563.27 = 3,609.24/x
  3. Step 3: Cross multiply
    12,374.40x = 18,563.27 × 3,609.24
  4. Step 4: Simplify right side
    12,374.40x = 66,999,278.57
  5. Step 5: Solve for x
    x = 66,999,278.57/12,374.40
  6. Step 6: Final answer
    x = 5,414.35

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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.