Home / 10,640.45-15,960.83-4,066.98

Finding the Fourth Proportional to 10,640.45, 15,960.83 and 4,066.98

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Solution

The fourth proportional to 10,640.45, 15,960.83 and 4,066.98 is: 6,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.45 : 15,960.83 = 4,066.98 : x
  2. Step 2: Convert to fraction form
    10,640.45/15,960.83 = 4,066.98/x
  3. Step 3: Cross multiply
    10,640.45x = 15,960.83 × 4,066.98
  4. Step 4: Simplify right side
    10,640.45x = 64,912,356.06
  5. Step 5: Solve for x
    x = 64,912,356.06/10,640.45
  6. Step 6: Final answer
    x = 6,100.53

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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.