Home / 20,483.01-30,742.83-10,494.57

Finding the Fourth Proportional to 20,483.01, 30,742.83 and 10,494.57

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Solution

The fourth proportional to 20,483.01, 30,742.83 and 10,494.57 is: 15,751.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,483.01 : 30,742.83 = 10,494.57 : x
  2. Step 2: Convert to fraction form
    20,483.01/30,742.83 = 10,494.57/x
  3. Step 3: Cross multiply
    20,483.01x = 30,742.83 × 10,494.57
  4. Step 4: Simplify right side
    20,483.01x = 322,632,781.43
  5. Step 5: Solve for x
    x = 322,632,781.43/20,483.01
  6. Step 6: Final answer
    x = 15,751.24

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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.