Home / 12,027.60-18,032.76-6,179.40

Finding the Fourth Proportional to 12,027.60, 18,032.76 and 6,179.40

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Solution

The fourth proportional to 12,027.60, 18,032.76 and 6,179.40 is: 9,264.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027.60 : 18,032.76 = 6,179.40 : x
  2. Step 2: Convert to fraction form
    12,027.60/18,032.76 = 6,179.40/x
  3. Step 3: Cross multiply
    12,027.60x = 18,032.76 × 6,179.40
  4. Step 4: Simplify right side
    12,027.60x = 111,431,637.14
  5. Step 5: Solve for x
    x = 111,431,637.14/12,027.60
  6. Step 6: Final answer
    x = 9,264.66

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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.