Home / 18,613.14-27,923.81-10,305.27

Finding the Fourth Proportional to 18,613.14, 27,923.81 and 10,305.27

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Solution

The fourth proportional to 18,613.14, 27,923.81 and 10,305.27 is: 15,460.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613.14 : 27,923.81 = 10,305.27 : x
  2. Step 2: Convert to fraction form
    18,613.14/27,923.81 = 10,305.27/x
  3. Step 3: Cross multiply
    18,613.14x = 27,923.81 × 10,305.27
  4. Step 4: Simplify right side
    18,613.14x = 287,762,401.48
  5. Step 5: Solve for x
    x = 287,762,401.48/18,613.14
  6. Step 6: Final answer
    x = 15,460.17

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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.