Home / 20,762.62-28,654.52-12,267.48

Finding the Fourth Proportional to 20,762.62, 28,654.52 and 12,267.48

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Solution

The fourth proportional to 20,762.62, 28,654.52 and 12,267.48 is: 16,930.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,762.62 : 28,654.52 = 12,267.48 : x
  2. Step 2: Convert to fraction form
    20,762.62/28,654.52 = 12,267.48/x
  3. Step 3: Cross multiply
    20,762.62x = 28,654.52 × 12,267.48
  4. Step 4: Simplify right side
    20,762.62x = 351,518,797.13
  5. Step 5: Solve for x
    x = 351,518,797.13/20,762.62
  6. Step 6: Final answer
    x = 16,930.37

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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.