Home / 20,100.10-30,147.36-14,077.94

Finding the Fourth Proportional to 20,100.10, 30,147.36 and 14,077.94

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Solution

The fourth proportional to 20,100.10, 30,147.36 and 14,077.94 is: 21,114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100.10 : 30,147.36 = 14,077.94 : x
  2. Step 2: Convert to fraction form
    20,100.10/30,147.36 = 14,077.94/x
  3. Step 3: Cross multiply
    20,100.10x = 30,147.36 × 14,077.94
  4. Step 4: Simplify right side
    20,100.10x = 424,412,632.27
  5. Step 5: Solve for x
    x = 424,412,632.27/20,100.10
  6. Step 6: Final answer
    x = 21,114.95

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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.