Home / 12,245.13-16,883.51-10,353.38

Finding the Fourth Proportional to 12,245.13, 16,883.51 and 10,353.38

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Solution

The fourth proportional to 12,245.13, 16,883.51 and 10,353.38 is: 14,275.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245.13 : 16,883.51 = 10,353.38 : x
  2. Step 2: Convert to fraction form
    12,245.13/16,883.51 = 10,353.38/x
  3. Step 3: Cross multiply
    12,245.13x = 16,883.51 × 10,353.38
  4. Step 4: Simplify right side
    12,245.13x = 174,801,258.58
  5. Step 5: Solve for x
    x = 174,801,258.58/12,245.13
  6. Step 6: Final answer
    x = 14,275.17

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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.