Home / 11,522.86-17,285.36-8,928.70

Finding the Fourth Proportional to 11,522.86, 17,285.36 and 8,928.70

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Solution

The fourth proportional to 11,522.86, 17,285.36 and 8,928.70 is: 13,393.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,522.86 : 17,285.36 = 8,928.70 : x
  2. Step 2: Convert to fraction form
    11,522.86/17,285.36 = 8,928.70/x
  3. Step 3: Cross multiply
    11,522.86x = 17,285.36 × 8,928.70
  4. Step 4: Simplify right side
    11,522.86x = 154,335,793.83
  5. Step 5: Solve for x
    x = 154,335,793.83/11,522.86
  6. Step 6: Final answer
    x = 13,393.88

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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.