Home / 18,307.17-27,429.41-9,993.03

Finding the Fourth Proportional to 18,307.17, 27,429.41 and 9,993.03

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Solution

The fourth proportional to 18,307.17, 27,429.41 and 9,993.03 is: 14,972.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.17 : 27,429.41 = 9,993.03 : x
  2. Step 2: Convert to fraction form
    18,307.17/27,429.41 = 9,993.03/x
  3. Step 3: Cross multiply
    18,307.17x = 27,429.41 × 9,993.03
  4. Step 4: Simplify right side
    18,307.17x = 274,102,839.13
  5. Step 5: Solve for x
    x = 274,102,839.13/18,307.17
  6. Step 6: Final answer
    x = 14,972.43

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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.