Home / 10,519.80-15,768.57-4,591.49

Finding the Fourth Proportional to 10,519.80, 15,768.57 and 4,591.49

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Solution

The fourth proportional to 10,519.80, 15,768.57 and 4,591.49 is: 6,882.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519.80 : 15,768.57 = 4,591.49 : x
  2. Step 2: Convert to fraction form
    10,519.80/15,768.57 = 4,591.49/x
  3. Step 3: Cross multiply
    10,519.80x = 15,768.57 × 4,591.49
  4. Step 4: Simplify right side
    10,519.80x = 72,401,169.84
  5. Step 5: Solve for x
    x = 72,401,169.84/10,519.80
  6. Step 6: Final answer
    x = 6,882.37

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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.