Home / 18,406.33-27,617.69-9,639.19

Finding the Fourth Proportional to 18,406.33, 27,617.69 and 9,639.19

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Solution

The fourth proportional to 18,406.33, 27,617.69 and 9,639.19 is: 14,463.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406.33 : 27,617.69 = 9,639.19 : x
  2. Step 2: Convert to fraction form
    18,406.33/27,617.69 = 9,639.19/x
  3. Step 3: Cross multiply
    18,406.33x = 27,617.69 × 9,639.19
  4. Step 4: Simplify right side
    18,406.33x = 266,212,044.03
  5. Step 5: Solve for x
    x = 266,212,044.03/18,406.33
  6. Step 6: Final answer
    x = 14,463.07

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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.