Home / 20,595.60-30,942.72-13,214.52

Finding the Fourth Proportional to 20,595.60, 30,942.72 and 13,214.52

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Solution

The fourth proportional to 20,595.60, 30,942.72 and 13,214.52 is: 19,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.60 : 30,942.72 = 13,214.52 : x
  2. Step 2: Convert to fraction form
    20,595.60/30,942.72 = 13,214.52/x
  3. Step 3: Cross multiply
    20,595.60x = 30,942.72 × 13,214.52
  4. Step 4: Simplify right side
    20,595.60x = 408,893,192.29
  5. Step 5: Solve for x
    x = 408,893,192.29/20,595.60
  6. Step 6: Final answer
    x = 19,853.42

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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.