Home / 20,507.32-30,751.26-10,636.72

Finding the Fourth Proportional to 20,507.32, 30,751.26 and 10,636.72

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Solution

The fourth proportional to 20,507.32, 30,751.26 and 10,636.72 is: 15,950.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,507.32 : 30,751.26 = 10,636.72 : x
  2. Step 2: Convert to fraction form
    20,507.32/30,751.26 = 10,636.72/x
  3. Step 3: Cross multiply
    20,507.32x = 30,751.26 × 10,636.72
  4. Step 4: Simplify right side
    20,507.32x = 327,092,542.27
  5. Step 5: Solve for x
    x = 327,092,542.27/20,507.32
  6. Step 6: Final answer
    x = 15,950.04

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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.