Home / 12,007.37-18,009.97-8,512.35

Finding the Fourth Proportional to 12,007.37, 18,009.97 and 8,512.35

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Solution

The fourth proportional to 12,007.37, 18,009.97 and 8,512.35 is: 12,767.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007.37 : 18,009.97 = 8,512.35 : x
  2. Step 2: Convert to fraction form
    12,007.37/18,009.97 = 8,512.35/x
  3. Step 3: Cross multiply
    12,007.37x = 18,009.97 × 8,512.35
  4. Step 4: Simplify right side
    12,007.37x = 153,307,246.31
  5. Step 5: Solve for x
    x = 153,307,246.31/12,007.37
  6. Step 6: Final answer
    x = 12,767.76

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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.