Home / 13,443.66-18,542.53-10,366.14

Finding the Fourth Proportional to 13,443.66, 18,542.53 and 10,366.14

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Solution

The fourth proportional to 13,443.66, 18,542.53 and 10,366.14 is: 14,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443.66 : 18,542.53 = 10,366.14 : x
  2. Step 2: Convert to fraction form
    13,443.66/18,542.53 = 10,366.14/x
  3. Step 3: Cross multiply
    13,443.66x = 18,542.53 × 10,366.14
  4. Step 4: Simplify right side
    13,443.66x = 192,214,544.43
  5. Step 5: Solve for x
    x = 192,214,544.43/13,443.66
  6. Step 6: Final answer
    x = 14,297.78

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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.