Home / 10,268.12-14,170.64-5,790.21

Finding the Fourth Proportional to 10,268.12, 14,170.64 and 5,790.21

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Solution

The fourth proportional to 10,268.12, 14,170.64 and 5,790.21 is: 7,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.12 : 14,170.64 = 5,790.21 : x
  2. Step 2: Convert to fraction form
    10,268.12/14,170.64 = 5,790.21/x
  3. Step 3: Cross multiply
    10,268.12x = 14,170.64 × 5,790.21
  4. Step 4: Simplify right side
    10,268.12x = 82,050,952.48
  5. Step 5: Solve for x
    x = 82,050,952.48/10,268.12
  6. Step 6: Final answer
    x = 7,990.85

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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.