Home / 21,834.41-30,107.64-14,748.53

Finding the Fourth Proportional to 21,834.41, 30,107.64 and 14,748.53

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Solution

The fourth proportional to 21,834.41, 30,107.64 and 14,748.53 is: 20,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,834.41 : 30,107.64 = 14,748.53 : x
  2. Step 2: Convert to fraction form
    21,834.41/30,107.64 = 14,748.53/x
  3. Step 3: Cross multiply
    21,834.41x = 30,107.64 × 14,748.53
  4. Step 4: Simplify right side
    21,834.41x = 444,043,431.77
  5. Step 5: Solve for x
    x = 444,043,431.77/21,834.41
  6. Step 6: Final answer
    x = 20,336.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.