Home / 12,305.13-18,441.90-10,717.35

Finding the Fourth Proportional to 12,305.13, 18,441.90 and 10,717.35

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Solution

The fourth proportional to 12,305.13, 18,441.90 and 10,717.35 is: 16,062.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305.13 : 18,441.90 = 10,717.35 : x
  2. Step 2: Convert to fraction form
    12,305.13/18,441.90 = 10,717.35/x
  3. Step 3: Cross multiply
    12,305.13x = 18,441.90 × 10,717.35
  4. Step 4: Simplify right side
    12,305.13x = 197,648,296.97
  5. Step 5: Solve for x
    x = 197,648,296.97/12,305.13
  6. Step 6: Final answer
    x = 16,062.27

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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.