Home / 19,171.55-26,454.84-11,212.22

Finding the Fourth Proportional to 19,171.55, 26,454.84 and 11,212.22

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Solution

The fourth proportional to 19,171.55, 26,454.84 and 11,212.22 is: 15,471.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.55 : 26,454.84 = 11,212.22 : x
  2. Step 2: Convert to fraction form
    19,171.55/26,454.84 = 11,212.22/x
  3. Step 3: Cross multiply
    19,171.55x = 26,454.84 × 11,212.22
  4. Step 4: Simplify right side
    19,171.55x = 296,617,486.14
  5. Step 5: Solve for x
    x = 296,617,486.14/19,171.55
  6. Step 6: Final answer
    x = 15,471.75

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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.