Home / 19,131.16-26,403.04-11,175.96

Finding the Fourth Proportional to 19,131.16, 26,403.04 and 11,175.96

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Solution

The fourth proportional to 19,131.16, 26,403.04 and 11,175.96 is: 15,424.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.16 : 26,403.04 = 11,175.96 : x
  2. Step 2: Convert to fraction form
    19,131.16/26,403.04 = 11,175.96/x
  3. Step 3: Cross multiply
    19,131.16x = 26,403.04 × 11,175.96
  4. Step 4: Simplify right side
    19,131.16x = 295,079,318.92
  5. Step 5: Solve for x
    x = 295,079,318.92/19,131.16
  6. Step 6: Final answer
    x = 15,424.02

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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.