Home / 20,397.56-30,596.68-5,606.39

Finding the Fourth Proportional to 20,397.56, 30,596.68 and 5,606.39

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Solution

The fourth proportional to 20,397.56, 30,596.68 and 5,606.39 is: 8,409.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,397.56 : 30,596.68 = 5,606.39 : x
  2. Step 2: Convert to fraction form
    20,397.56/30,596.68 = 5,606.39/x
  3. Step 3: Cross multiply
    20,397.56x = 30,596.68 × 5,606.39
  4. Step 4: Simplify right side
    20,397.56x = 171,536,920.79
  5. Step 5: Solve for x
    x = 171,536,920.79/20,397.56
  6. Step 6: Final answer
    x = 8,409.68

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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.