Home / 12,410.64-18,616.68-4,090.73

Finding the Fourth Proportional to 12,410.64, 18,616.68 and 4,090.73

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Solution

The fourth proportional to 12,410.64, 18,616.68 and 4,090.73 is: 6,136.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410.64 : 18,616.68 = 4,090.73 : x
  2. Step 2: Convert to fraction form
    12,410.64/18,616.68 = 4,090.73/x
  3. Step 3: Cross multiply
    12,410.64x = 18,616.68 × 4,090.73
  4. Step 4: Simplify right side
    12,410.64x = 76,155,718.29
  5. Step 5: Solve for x
    x = 76,155,718.29/12,410.64
  6. Step 6: Final answer
    x = 6,136.32

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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.