Home / 18,824.30-25,977.14-10,440.80

Finding the Fourth Proportional to 18,824.30, 25,977.14 and 10,440.80

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Solution

The fourth proportional to 18,824.30, 25,977.14 and 10,440.80 is: 14,408.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.30 : 25,977.14 = 10,440.80 : x
  2. Step 2: Convert to fraction form
    18,824.30/25,977.14 = 10,440.80/x
  3. Step 3: Cross multiply
    18,824.30x = 25,977.14 × 10,440.80
  4. Step 4: Simplify right side
    18,824.30x = 271,222,123.31
  5. Step 5: Solve for x
    x = 271,222,123.31/18,824.30
  6. Step 6: Final answer
    x = 14,408.09

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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.