Home / 12,372.63-18,555.30-3,605.19

Finding the Fourth Proportional to 12,372.63, 18,555.30 and 3,605.19

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Solution

The fourth proportional to 12,372.63, 18,555.30 and 3,605.19 is: 5,406.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.63 : 18,555.30 = 3,605.19 : x
  2. Step 2: Convert to fraction form
    12,372.63/18,555.30 = 3,605.19/x
  3. Step 3: Cross multiply
    12,372.63x = 18,555.30 × 3,605.19
  4. Step 4: Simplify right side
    12,372.63x = 66,895,382.01
  5. Step 5: Solve for x
    x = 66,895,382.01/12,372.63
  6. Step 6: Final answer
    x = 5,406.72

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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.