Home / 16,783.84-25,171.86-7,418.76

Finding the Fourth Proportional to 16,783.84, 25,171.86 and 7,418.76

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Solution

The fourth proportional to 16,783.84, 25,171.86 and 7,418.76 is: 11,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.84 : 25,171.86 = 7,418.76 : x
  2. Step 2: Convert to fraction form
    16,783.84/25,171.86 = 7,418.76/x
  3. Step 3: Cross multiply
    16,783.84x = 25,171.86 × 7,418.76
  4. Step 4: Simplify right side
    16,783.84x = 186,743,988.09
  5. Step 5: Solve for x
    x = 186,743,988.09/16,783.84
  6. Step 6: Final answer
    x = 11,126.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.