Home / 18,839.34-25,998.39-10,455.84

Finding the Fourth Proportional to 18,839.34, 25,998.39 and 10,455.84

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Solution

The fourth proportional to 18,839.34, 25,998.39 and 10,455.84 is: 14,429.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.34 : 25,998.39 = 10,455.84 : x
  2. Step 2: Convert to fraction form
    18,839.34/25,998.39 = 10,455.84/x
  3. Step 3: Cross multiply
    18,839.34x = 25,998.39 × 10,455.84
  4. Step 4: Simplify right side
    18,839.34x = 271,835,006.10
  5. Step 5: Solve for x
    x = 271,835,006.10/18,839.34
  6. Step 6: Final answer
    x = 14,429.12

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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.