Home / 11,986.38-17,888.04-10,674.18

Finding the Fourth Proportional to 11,986.38, 17,888.04 and 10,674.18

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Solution

The fourth proportional to 11,986.38, 17,888.04 and 10,674.18 is: 15,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.38 : 17,888.04 = 10,674.18 : x
  2. Step 2: Convert to fraction form
    11,986.38/17,888.04 = 10,674.18/x
  3. Step 3: Cross multiply
    11,986.38x = 17,888.04 × 10,674.18
  4. Step 4: Simplify right side
    11,986.38x = 190,940,158.81
  5. Step 5: Solve for x
    x = 190,940,158.81/11,986.38
  6. Step 6: Final answer
    x = 15,929.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.