Home / 19,390.62-26,769.25-13,050.54

Finding the Fourth Proportional to 19,390.62, 26,769.25 and 13,050.54

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Solution

The fourth proportional to 19,390.62, 26,769.25 and 13,050.54 is: 18,016.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.62 : 26,769.25 = 13,050.54 : x
  2. Step 2: Convert to fraction form
    19,390.62/26,769.25 = 13,050.54/x
  3. Step 3: Cross multiply
    19,390.62x = 26,769.25 × 13,050.54
  4. Step 4: Simplify right side
    19,390.62x = 349,353,133.60
  5. Step 5: Solve for x
    x = 349,353,133.60/19,390.62
  6. Step 6: Final answer
    x = 18,016.61

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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.