Home / 12,518.24-18,682.33-12,009.59

Finding the Fourth Proportional to 12,518.24, 18,682.33 and 12,009.59

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Solution

The fourth proportional to 12,518.24, 18,682.33 and 12,009.59 is: 17,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,518.24 : 18,682.33 = 12,009.59 : x
  2. Step 2: Convert to fraction form
    12,518.24/18,682.33 = 12,009.59/x
  3. Step 3: Cross multiply
    12,518.24x = 18,682.33 × 12,009.59
  4. Step 4: Simplify right side
    12,518.24x = 224,367,195.90
  5. Step 5: Solve for x
    x = 224,367,195.90/12,518.24
  6. Step 6: Final answer
    x = 17,923.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.