Home / 18,867.25-26,010.79-15,051.84

Finding the Fourth Proportional to 18,867.25, 26,010.79 and 15,051.84

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Solution

The fourth proportional to 18,867.25, 26,010.79 and 15,051.84 is: 20,750.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,867.25 : 26,010.79 = 15,051.84 : x
  2. Step 2: Convert to fraction form
    18,867.25/26,010.79 = 15,051.84/x
  3. Step 3: Cross multiply
    18,867.25x = 26,010.79 × 15,051.84
  4. Step 4: Simplify right side
    18,867.25x = 391,510,249.35
  5. Step 5: Solve for x
    x = 391,510,249.35/18,867.25
  6. Step 6: Final answer
    x = 20,750.79

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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.