Home / 9,129.53-13,694.32-2,555.77

Finding the Fourth Proportional to 9,129.53, 13,694.32 and 2,555.77

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Solution

The fourth proportional to 9,129.53, 13,694.32 and 2,555.77 is: 3,833.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.53 : 13,694.32 = 2,555.77 : x
  2. Step 2: Convert to fraction form
    9,129.53/13,694.32 = 2,555.77/x
  3. Step 3: Cross multiply
    9,129.53x = 13,694.32 × 2,555.77
  4. Step 4: Simplify right side
    9,129.53x = 34,999,532.23
  5. Step 5: Solve for x
    x = 34,999,532.23/9,129.53
  6. Step 6: Final answer
    x = 3,833.66

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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.