Home / 10,756.80-16,137.36-4,182.84

Finding the Fourth Proportional to 10,756.80, 16,137.36 and 4,182.84

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Solution

The fourth proportional to 10,756.80, 16,137.36 and 4,182.84 is: 6,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.80 : 16,137.36 = 4,182.84 : x
  2. Step 2: Convert to fraction form
    10,756.80/16,137.36 = 4,182.84/x
  3. Step 3: Cross multiply
    10,756.80x = 16,137.36 × 4,182.84
  4. Step 4: Simplify right side
    10,756.80x = 67,499,994.90
  5. Step 5: Solve for x
    x = 67,499,994.90/10,756.80
  6. Step 6: Final answer
    x = 6,275.10

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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.