Home / 9,129.24-13,693.59-2,555.25

Finding the Fourth Proportional to 9,129.24, 13,693.59 and 2,555.25

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Solution

The fourth proportional to 9,129.24, 13,693.59 and 2,555.25 is: 3,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.24 : 13,693.59 = 2,555.25 : x
  2. Step 2: Convert to fraction form
    9,129.24/13,693.59 = 2,555.25/x
  3. Step 3: Cross multiply
    9,129.24x = 13,693.59 × 2,555.25
  4. Step 4: Simplify right side
    9,129.24x = 34,990,494.50
  5. Step 5: Solve for x
    x = 34,990,494.50/9,129.24
  6. Step 6: Final answer
    x = 3,832.79

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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.