Home / 11,433.80-17,236.40-10,671.77

Finding the Fourth Proportional to 11,433.80, 17,236.40 and 10,671.77

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Solution

The fourth proportional to 11,433.80, 17,236.40 and 10,671.77 is: 16,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433.80 : 17,236.40 = 10,671.77 : x
  2. Step 2: Convert to fraction form
    11,433.80/17,236.40 = 10,671.77/x
  3. Step 3: Cross multiply
    11,433.80x = 17,236.40 × 10,671.77
  4. Step 4: Simplify right side
    11,433.80x = 183,942,886.16
  5. Step 5: Solve for x
    x = 183,942,886.16/11,433.80
  6. Step 6: Final answer
    x = 16,087.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.