Home / 20,226.32-30,334.62-10,360.52

Finding the Fourth Proportional to 20,226.32, 30,334.62 and 10,360.52

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Solution

The fourth proportional to 20,226.32, 30,334.62 and 10,360.52 is: 15,538.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.32 : 30,334.62 = 10,360.52 : x
  2. Step 2: Convert to fraction form
    20,226.32/30,334.62 = 10,360.52/x
  3. Step 3: Cross multiply
    20,226.32x = 30,334.62 × 10,360.52
  4. Step 4: Simplify right side
    20,226.32x = 314,282,379.86
  5. Step 5: Solve for x
    x = 314,282,379.86/20,226.32
  6. Step 6: Final answer
    x = 15,538.29

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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.