Home / 13,575.60-20,357.93-5,672.94

Finding the Fourth Proportional to 13,575.60, 20,357.93 and 5,672.94

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Solution

The fourth proportional to 13,575.60, 20,357.93 and 5,672.94 is: 8,507.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.60 : 20,357.93 = 5,672.94 : x
  2. Step 2: Convert to fraction form
    13,575.60/20,357.93 = 5,672.94/x
  3. Step 3: Cross multiply
    13,575.60x = 20,357.93 × 5,672.94
  4. Step 4: Simplify right side
    13,575.60x = 115,489,315.41
  5. Step 5: Solve for x
    x = 115,489,315.41/13,575.60
  6. Step 6: Final answer
    x = 8,507.12

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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.