Home / 20,557.32-30,824.34-6,514.68

Finding the Fourth Proportional to 20,557.32, 30,824.34 and 6,514.68

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Solution

The fourth proportional to 20,557.32, 30,824.34 and 6,514.68 is: 9,768.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,557.32 : 30,824.34 = 6,514.68 : x
  2. Step 2: Convert to fraction form
    20,557.32/30,824.34 = 6,514.68/x
  3. Step 3: Cross multiply
    20,557.32x = 30,824.34 × 6,514.68
  4. Step 4: Simplify right side
    20,557.32x = 200,810,711.31
  5. Step 5: Solve for x
    x = 200,810,711.31/20,557.32
  6. Step 6: Final answer
    x = 9,768.33

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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.