Home / 15,414.74-21,277.60-11,873.42

Finding the Fourth Proportional to 15,414.74, 21,277.60 and 11,873.42

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Solution

The fourth proportional to 15,414.74, 21,277.60 and 11,873.42 is: 16,389.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,414.74 : 21,277.60 = 11,873.42 : x
  2. Step 2: Convert to fraction form
    15,414.74/21,277.60 = 11,873.42/x
  3. Step 3: Cross multiply
    15,414.74x = 21,277.60 × 11,873.42
  4. Step 4: Simplify right side
    15,414.74x = 252,637,881.39
  5. Step 5: Solve for x
    x = 252,637,881.39/15,414.74
  6. Step 6: Final answer
    x = 16,389.37

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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.