Home / 12,414.59-18,619.54-6,485.09

Finding the Fourth Proportional to 12,414.59, 18,619.54 and 6,485.09

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Solution

The fourth proportional to 12,414.59, 18,619.54 and 6,485.09 is: 9,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.59 : 18,619.54 = 6,485.09 : x
  2. Step 2: Convert to fraction form
    12,414.59/18,619.54 = 6,485.09/x
  3. Step 3: Cross multiply
    12,414.59x = 18,619.54 × 6,485.09
  4. Step 4: Simplify right side
    12,414.59x = 120,749,283.35
  5. Step 5: Solve for x
    x = 120,749,283.35/12,414.59
  6. Step 6: Final answer
    x = 9,726.40

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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.