Home / 12,366.20-17,059.56-8,124.32

Finding the Fourth Proportional to 12,366.20, 17,059.56 and 8,124.32

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Solution

The fourth proportional to 12,366.20, 17,059.56 and 8,124.32 is: 11,207.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.20 : 17,059.56 = 8,124.32 : x
  2. Step 2: Convert to fraction form
    12,366.20/17,059.56 = 8,124.32/x
  3. Step 3: Cross multiply
    12,366.20x = 17,059.56 × 8,124.32
  4. Step 4: Simplify right side
    12,366.20x = 138,597,324.50
  5. Step 5: Solve for x
    x = 138,597,324.50/12,366.20
  6. Step 6: Final answer
    x = 11,207.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.