Home / 20,104.10-30,153.36-14,081.94

Finding the Fourth Proportional to 20,104.10, 30,153.36 and 14,081.94

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Solution

The fourth proportional to 20,104.10, 30,153.36 and 14,081.94 is: 21,120.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.10 : 30,153.36 = 14,081.94 : x
  2. Step 2: Convert to fraction form
    20,104.10/30,153.36 = 14,081.94/x
  3. Step 3: Cross multiply
    20,104.10x = 30,153.36 × 14,081.94
  4. Step 4: Simplify right side
    20,104.10x = 424,617,806.32
  5. Step 5: Solve for x
    x = 424,617,806.32/20,104.10
  6. Step 6: Final answer
    x = 21,120.96

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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.