Home / 14,448.36-19,935.68-8,786.06

Finding the Fourth Proportional to 14,448.36, 19,935.68 and 8,786.06

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Solution

The fourth proportional to 14,448.36, 19,935.68 and 8,786.06 is: 12,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.36 : 19,935.68 = 8,786.06 : x
  2. Step 2: Convert to fraction form
    14,448.36/19,935.68 = 8,786.06/x
  3. Step 3: Cross multiply
    14,448.36x = 19,935.68 × 8,786.06
  4. Step 4: Simplify right side
    14,448.36x = 175,156,080.62
  5. Step 5: Solve for x
    x = 175,156,080.62/14,448.36
  6. Step 6: Final answer
    x = 12,122.90

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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.