Home / 12,258.69-16,907.18-8,009.43

Finding the Fourth Proportional to 12,258.69, 16,907.18 and 8,009.43

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Solution

The fourth proportional to 12,258.69, 16,907.18 and 8,009.43 is: 11,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.69 : 16,907.18 = 8,009.43 : x
  2. Step 2: Convert to fraction form
    12,258.69/16,907.18 = 8,009.43/x
  3. Step 3: Cross multiply
    12,258.69x = 16,907.18 × 8,009.43
  4. Step 4: Simplify right side
    12,258.69x = 135,416,834.66
  5. Step 5: Solve for x
    x = 135,416,834.66/12,258.69
  6. Step 6: Final answer
    x = 11,046.60

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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.