Home / 20,466.36-28,243.62-12,083.40

Finding the Fourth Proportional to 20,466.36, 28,243.62 and 12,083.40

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Solution

The fourth proportional to 20,466.36, 28,243.62 and 12,083.40 is: 16,675.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,466.36 : 28,243.62 = 12,083.40 : x
  2. Step 2: Convert to fraction form
    20,466.36/28,243.62 = 12,083.40/x
  3. Step 3: Cross multiply
    20,466.36x = 28,243.62 × 12,083.40
  4. Step 4: Simplify right side
    20,466.36x = 341,278,957.91
  5. Step 5: Solve for x
    x = 341,278,957.91/20,466.36
  6. Step 6: Final answer
    x = 16,675.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.