Home / 18,428.88-25,433.82-10,473.06

Finding the Fourth Proportional to 18,428.88, 25,433.82 and 10,473.06

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Solution

The fourth proportional to 18,428.88, 25,433.82 and 10,473.06 is: 14,453.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428.88 : 25,433.82 = 10,473.06 : x
  2. Step 2: Convert to fraction form
    18,428.88/25,433.82 = 10,473.06/x
  3. Step 3: Cross multiply
    18,428.88x = 25,433.82 × 10,473.06
  4. Step 4: Simplify right side
    18,428.88x = 266,369,922.89
  5. Step 5: Solve for x
    x = 266,369,922.89/18,428.88
  6. Step 6: Final answer
    x = 14,453.94

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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.