Home / 20,503.32-30,745.26-10,632.72

Finding the Fourth Proportional to 20,503.32, 30,745.26 and 10,632.72

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Solution

The fourth proportional to 20,503.32, 30,745.26 and 10,632.72 is: 15,944.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503.32 : 30,745.26 = 10,632.72 : x
  2. Step 2: Convert to fraction form
    20,503.32/30,745.26 = 10,632.72/x
  3. Step 3: Cross multiply
    20,503.32x = 30,745.26 × 10,632.72
  4. Step 4: Simplify right side
    20,503.32x = 326,905,740.91
  5. Step 5: Solve for x
    x = 326,905,740.91/20,503.32
  6. Step 6: Final answer
    x = 15,944.04

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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.