Home / 21,034.35-29,027.45-11,474.25

Finding the Fourth Proportional to 21,034.35, 29,027.45 and 11,474.25

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Solution

The fourth proportional to 21,034.35, 29,027.45 and 11,474.25 is: 15,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,034.35 : 29,027.45 = 11,474.25 : x
  2. Step 2: Convert to fraction form
    21,034.35/29,027.45 = 11,474.25/x
  3. Step 3: Cross multiply
    21,034.35x = 29,027.45 × 11,474.25
  4. Step 4: Simplify right side
    21,034.35x = 333,068,160.79
  5. Step 5: Solve for x
    x = 333,068,160.79/21,034.35
  6. Step 6: Final answer
    x = 15,834.49

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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.