Home / 12,806.37-19,209.52-5,009.71

Finding the Fourth Proportional to 12,806.37, 19,209.52 and 5,009.71

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Solution

The fourth proportional to 12,806.37, 19,209.52 and 5,009.71 is: 7,514.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806.37 : 19,209.52 = 5,009.71 : x
  2. Step 2: Convert to fraction form
    12,806.37/19,209.52 = 5,009.71/x
  3. Step 3: Cross multiply
    12,806.37x = 19,209.52 × 5,009.71
  4. Step 4: Simplify right side
    12,806.37x = 96,234,124.44
  5. Step 5: Solve for x
    x = 96,234,124.44/12,806.37
  6. Step 6: Final answer
    x = 7,514.55

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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.