Home / 20,240.33-30,303.26-10,730.99

Finding the Fourth Proportional to 20,240.33, 30,303.26 and 10,730.99

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Solution

The fourth proportional to 20,240.33, 30,303.26 and 10,730.99 is: 16,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240.33 : 30,303.26 = 10,730.99 : x
  2. Step 2: Convert to fraction form
    20,240.33/30,303.26 = 10,730.99/x
  3. Step 3: Cross multiply
    20,240.33x = 30,303.26 × 10,730.99
  4. Step 4: Simplify right side
    20,240.33x = 325,183,774.86
  5. Step 5: Solve for x
    x = 325,183,774.86/20,240.33
  6. Step 6: Final answer
    x = 16,066.13

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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.