Home / 11,555.80-17,334.18-9,621.64

Finding the Fourth Proportional to 11,555.80, 17,334.18 and 9,621.64

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Solution

The fourth proportional to 11,555.80, 17,334.18 and 9,621.64 is: 14,432.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.80 : 17,334.18 = 9,621.64 : x
  2. Step 2: Convert to fraction form
    11,555.80/17,334.18 = 9,621.64/x
  3. Step 3: Cross multiply
    11,555.80x = 17,334.18 × 9,621.64
  4. Step 4: Simplify right side
    11,555.80x = 166,783,239.66
  5. Step 5: Solve for x
    x = 166,783,239.66/11,555.80
  6. Step 6: Final answer
    x = 14,432.86

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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.