Home / 10,670.67-16,004.79-2,880.09

Finding the Fourth Proportional to 10,670.67, 16,004.79 and 2,880.09

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Solution

The fourth proportional to 10,670.67, 16,004.79 and 2,880.09 is: 4,319.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.67 : 16,004.79 = 2,880.09 : x
  2. Step 2: Convert to fraction form
    10,670.67/16,004.79 = 2,880.09/x
  3. Step 3: Cross multiply
    10,670.67x = 16,004.79 × 2,880.09
  4. Step 4: Simplify right side
    10,670.67x = 46,095,235.63
  5. Step 5: Solve for x
    x = 46,095,235.63/10,670.67
  6. Step 6: Final answer
    x = 4,319.81

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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.