Home / 13,050.92-19,575.78-3,189.68

Finding the Fourth Proportional to 13,050.92, 19,575.78 and 3,189.68

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Solution

The fourth proportional to 13,050.92, 19,575.78 and 3,189.68 is: 4,784.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.92 : 19,575.78 = 3,189.68 : x
  2. Step 2: Convert to fraction form
    13,050.92/19,575.78 = 3,189.68/x
  3. Step 3: Cross multiply
    13,050.92x = 19,575.78 × 3,189.68
  4. Step 4: Simplify right side
    13,050.92x = 62,440,437.52
  5. Step 5: Solve for x
    x = 62,440,437.52/13,050.92
  6. Step 6: Final answer
    x = 4,784.37

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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.