Home / 11,268.20-16,902.30-5,124.20

Finding the Fourth Proportional to 11,268.20, 16,902.30 and 5,124.20

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Solution

The fourth proportional to 11,268.20, 16,902.30 and 5,124.20 is: 7,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,268.20 : 16,902.30 = 5,124.20 : x
  2. Step 2: Convert to fraction form
    11,268.20/16,902.30 = 5,124.20/x
  3. Step 3: Cross multiply
    11,268.20x = 16,902.30 × 5,124.20
  4. Step 4: Simplify right side
    11,268.20x = 86,610,765.66
  5. Step 5: Solve for x
    x = 86,610,765.66/11,268.20
  6. Step 6: Final answer
    x = 7,686.30

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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.