Home / 13,050.43-19,575.64-3,189.59

Finding the Fourth Proportional to 13,050.43, 19,575.64 and 3,189.59

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Solution

The fourth proportional to 13,050.43, 19,575.64 and 3,189.59 is: 4,784.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.43 : 19,575.64 = 3,189.59 : x
  2. Step 2: Convert to fraction form
    13,050.43/19,575.64 = 3,189.59/x
  3. Step 3: Cross multiply
    13,050.43x = 19,575.64 × 3,189.59
  4. Step 4: Simplify right side
    13,050.43x = 62,438,245.11
  5. Step 5: Solve for x
    x = 62,438,245.11/13,050.43
  6. Step 6: Final answer
    x = 4,784.38

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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.