Home / 12,268.32-18,394.20-5,690.88

Finding the Fourth Proportional to 12,268.32, 18,394.20 and 5,690.88

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Solution

The fourth proportional to 12,268.32, 18,394.20 and 5,690.88 is: 8,532.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268.32 : 18,394.20 = 5,690.88 : x
  2. Step 2: Convert to fraction form
    12,268.32/18,394.20 = 5,690.88/x
  3. Step 3: Cross multiply
    12,268.32x = 18,394.20 × 5,690.88
  4. Step 4: Simplify right side
    12,268.32x = 104,679,184.90
  5. Step 5: Solve for x
    x = 104,679,184.90/12,268.32
  6. Step 6: Final answer
    x = 8,532.48

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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.