Home / 14,247.97-19,661.87-7,874.28

Finding the Fourth Proportional to 14,247.97, 19,661.87 and 7,874.28

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Solution

The fourth proportional to 14,247.97, 19,661.87 and 7,874.28 is: 10,866.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.97 : 19,661.87 = 7,874.28 : x
  2. Step 2: Convert to fraction form
    14,247.97/19,661.87 = 7,874.28/x
  3. Step 3: Cross multiply
    14,247.97x = 19,661.87 × 7,874.28
  4. Step 4: Simplify right side
    14,247.97x = 154,823,089.39
  5. Step 5: Solve for x
    x = 154,823,089.39/14,247.97
  6. Step 6: Final answer
    x = 10,866.33

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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.