Home / 16,770.56-25,153.92-5,677.28

Finding the Fourth Proportional to 16,770.56, 25,153.92 and 5,677.28

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Solution

The fourth proportional to 16,770.56, 25,153.92 and 5,677.28 is: 8,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.56 : 25,153.92 = 5,677.28 : x
  2. Step 2: Convert to fraction form
    16,770.56/25,153.92 = 5,677.28/x
  3. Step 3: Cross multiply
    16,770.56x = 25,153.92 × 5,677.28
  4. Step 4: Simplify right side
    16,770.56x = 142,805,846.94
  5. Step 5: Solve for x
    x = 142,805,846.94/16,770.56
  6. Step 6: Final answer
    x = 8,515.27

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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.