Home / 12,158.46-18,230.40-5,906.16

Finding the Fourth Proportional to 12,158.46, 18,230.40 and 5,906.16

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Solution

The fourth proportional to 12,158.46, 18,230.40 and 5,906.16 is: 8,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,158.46 : 18,230.40 = 5,906.16 : x
  2. Step 2: Convert to fraction form
    12,158.46/18,230.40 = 5,906.16/x
  3. Step 3: Cross multiply
    12,158.46x = 18,230.40 × 5,906.16
  4. Step 4: Simplify right side
    12,158.46x = 107,671,659.26
  5. Step 5: Solve for x
    x = 107,671,659.26/12,158.46
  6. Step 6: Final answer
    x = 8,855.70

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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.