Home / 10,765.64-16,149.02-3,370.12

Finding the Fourth Proportional to 10,765.64, 16,149.02 and 3,370.12

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Solution

The fourth proportional to 10,765.64, 16,149.02 and 3,370.12 is: 5,055.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.64 : 16,149.02 = 3,370.12 : x
  2. Step 2: Convert to fraction form
    10,765.64/16,149.02 = 3,370.12/x
  3. Step 3: Cross multiply
    10,765.64x = 16,149.02 × 3,370.12
  4. Step 4: Simplify right side
    10,765.64x = 54,424,135.28
  5. Step 5: Solve for x
    x = 54,424,135.28/10,765.64
  6. Step 6: Final answer
    x = 5,055.36

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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.