Home / 18,429.73-27,631.53-10,113.66

Finding the Fourth Proportional to 18,429.73, 27,631.53 and 10,113.66

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Solution

The fourth proportional to 18,429.73, 27,631.53 and 10,113.66 is: 15,163.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.73 : 27,631.53 = 10,113.66 : x
  2. Step 2: Convert to fraction form
    18,429.73/27,631.53 = 10,113.66/x
  3. Step 3: Cross multiply
    18,429.73x = 27,631.53 × 10,113.66
  4. Step 4: Simplify right side
    18,429.73x = 279,455,899.70
  5. Step 5: Solve for x
    x = 279,455,899.70/18,429.73
  6. Step 6: Final answer
    x = 15,163.32

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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.