Home / 12,327.30-18,527.40-12,108.60

Finding the Fourth Proportional to 12,327.30, 18,527.40 and 12,108.60

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Solution

The fourth proportional to 12,327.30, 18,527.40 and 12,108.60 is: 18,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.30 : 18,527.40 = 12,108.60 : x
  2. Step 2: Convert to fraction form
    12,327.30/18,527.40 = 12,108.60/x
  3. Step 3: Cross multiply
    12,327.30x = 18,527.40 × 12,108.60
  4. Step 4: Simplify right side
    12,327.30x = 224,340,875.64
  5. Step 5: Solve for x
    x = 224,340,875.64/12,327.30
  6. Step 6: Final answer
    x = 18,198.70

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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.