Home / 12,083.32-18,130.20-6,540.57

Finding the Fourth Proportional to 12,083.32, 18,130.20 and 6,540.57

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Solution

The fourth proportional to 12,083.32, 18,130.20 and 6,540.57 is: 9,813.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.32 : 18,130.20 = 6,540.57 : x
  2. Step 2: Convert to fraction form
    12,083.32/18,130.20 = 6,540.57/x
  3. Step 3: Cross multiply
    12,083.32x = 18,130.20 × 6,540.57
  4. Step 4: Simplify right side
    12,083.32x = 118,581,842.21
  5. Step 5: Solve for x
    x = 118,581,842.21/12,083.32
  6. Step 6: Final answer
    x = 9,813.68

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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.