Home / 20,960.83-28,924.66-12,006.28

Finding the Fourth Proportional to 20,960.83, 28,924.66 and 12,006.28

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Solution

The fourth proportional to 20,960.83, 28,924.66 and 12,006.28 is: 16,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,960.83 : 28,924.66 = 12,006.28 : x
  2. Step 2: Convert to fraction form
    20,960.83/28,924.66 = 12,006.28/x
  3. Step 3: Cross multiply
    20,960.83x = 28,924.66 × 12,006.28
  4. Step 4: Simplify right side
    20,960.83x = 347,277,506.83
  5. Step 5: Solve for x
    x = 347,277,506.83/20,960.83
  6. Step 6: Final answer
    x = 16,567.93

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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.