Home / 12,403.40-18,606.70-6,166.60

Finding the Fourth Proportional to 12,403.40, 18,606.70 and 6,166.60

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Solution

The fourth proportional to 12,403.40, 18,606.70 and 6,166.60 is: 9,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.40 : 18,606.70 = 6,166.60 : x
  2. Step 2: Convert to fraction form
    12,403.40/18,606.70 = 6,166.60/x
  3. Step 3: Cross multiply
    12,403.40x = 18,606.70 × 6,166.60
  4. Step 4: Simplify right side
    12,403.40x = 114,740,076.22
  5. Step 5: Solve for x
    x = 114,740,076.22/12,403.40
  6. Step 6: Final answer
    x = 9,250.70

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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.