Home / 11,903.64-16,434.50-7,662.08

Finding the Fourth Proportional to 11,903.64, 16,434.50 and 7,662.08

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Solution

The fourth proportional to 11,903.64, 16,434.50 and 7,662.08 is: 10,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.64 : 16,434.50 = 7,662.08 : x
  2. Step 2: Convert to fraction form
    11,903.64/16,434.50 = 7,662.08/x
  3. Step 3: Cross multiply
    11,903.64x = 16,434.50 × 7,662.08
  4. Step 4: Simplify right side
    11,903.64x = 125,922,364.09
  5. Step 5: Solve for x
    x = 125,922,364.09/11,903.64
  6. Step 6: Final answer
    x = 10,578.47

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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.