Home / 10,268.16-14,170.32-6,291.54

Finding the Fourth Proportional to 10,268.16, 14,170.32 and 6,291.54

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Solution

The fourth proportional to 10,268.16, 14,170.32 and 6,291.54 is: 8,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.16 : 14,170.32 = 6,291.54 : x
  2. Step 2: Convert to fraction form
    10,268.16/14,170.32 = 6,291.54/x
  3. Step 3: Cross multiply
    10,268.16x = 14,170.32 × 6,291.54
  4. Step 4: Simplify right side
    10,268.16x = 89,153,135.09
  5. Step 5: Solve for x
    x = 89,153,135.09/10,268.16
  6. Step 6: Final answer
    x = 8,682.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.