Home / 12,383.07-17,102.12-8,410.83

Finding the Fourth Proportional to 12,383.07, 17,102.12 and 8,410.83

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Solution

The fourth proportional to 12,383.07, 17,102.12 and 8,410.83 is: 11,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383.07 : 17,102.12 = 8,410.83 : x
  2. Step 2: Convert to fraction form
    12,383.07/17,102.12 = 8,410.83/x
  3. Step 3: Cross multiply
    12,383.07x = 17,102.12 × 8,410.83
  4. Step 4: Simplify right side
    12,383.07x = 143,842,981.91
  5. Step 5: Solve for x
    x = 143,842,981.91/12,383.07
  6. Step 6: Final answer
    x = 11,616.10

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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.