Home / 20,372.42-30,494.69-14,010.17

Finding the Fourth Proportional to 20,372.42, 30,494.69 and 14,010.17

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Solution

The fourth proportional to 20,372.42, 30,494.69 and 14,010.17 is: 20,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,372.42 : 30,494.69 = 14,010.17 : x
  2. Step 2: Convert to fraction form
    20,372.42/30,494.69 = 14,010.17/x
  3. Step 3: Cross multiply
    20,372.42x = 30,494.69 × 14,010.17
  4. Step 4: Simplify right side
    20,372.42x = 427,235,568.47
  5. Step 5: Solve for x
    x = 427,235,568.47/20,372.42
  6. Step 6: Final answer
    x = 20,971.28

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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.