Home / 12,739.08-17,581.04-7,074.93

Finding the Fourth Proportional to 12,739.08, 17,581.04 and 7,074.93

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Solution

The fourth proportional to 12,739.08, 17,581.04 and 7,074.93 is: 9,764.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,739.08 : 17,581.04 = 7,074.93 : x
  2. Step 2: Convert to fraction form
    12,739.08/17,581.04 = 7,074.93/x
  3. Step 3: Cross multiply
    12,739.08x = 17,581.04 × 7,074.93
  4. Step 4: Simplify right side
    12,739.08x = 124,384,627.33
  5. Step 5: Solve for x
    x = 124,384,627.33/12,739.08
  6. Step 6: Final answer
    x = 9,764.02

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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.