Home / 12,403.02-18,605.70-4,083.12

Finding the Fourth Proportional to 12,403.02, 18,605.70 and 4,083.12

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Solution

The fourth proportional to 12,403.02, 18,605.70 and 4,083.12 is: 6,125.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.02 : 18,605.70 = 4,083.12 : x
  2. Step 2: Convert to fraction form
    12,403.02/18,605.70 = 4,083.12/x
  3. Step 3: Cross multiply
    12,403.02x = 18,605.70 × 4,083.12
  4. Step 4: Simplify right side
    12,403.02x = 75,969,305.78
  5. Step 5: Solve for x
    x = 75,969,305.78/12,403.02
  6. Step 6: Final answer
    x = 6,125.07

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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.