Home / 20,063.10-30,140.78-14,153.58

Finding the Fourth Proportional to 20,063.10, 30,140.78 and 14,153.58

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Solution

The fourth proportional to 20,063.10, 30,140.78 and 14,153.58 is: 21,262.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.10 : 30,140.78 = 14,153.58 : x
  2. Step 2: Convert to fraction form
    20,063.10/30,140.78 = 14,153.58/x
  3. Step 3: Cross multiply
    20,063.10x = 30,140.78 × 14,153.58
  4. Step 4: Simplify right side
    20,063.10x = 426,599,940.99
  5. Step 5: Solve for x
    x = 426,599,940.99/20,063.10
  6. Step 6: Final answer
    x = 21,262.91

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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.