Home / 17,403.40-26,087.94-11,145.64

Finding the Fourth Proportional to 17,403.40, 26,087.94 and 11,145.64

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Solution

The fourth proportional to 17,403.40, 26,087.94 and 11,145.64 is: 16,707.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,403.40 : 26,087.94 = 11,145.64 : x
  2. Step 2: Convert to fraction form
    17,403.40/26,087.94 = 11,145.64/x
  3. Step 3: Cross multiply
    17,403.40x = 26,087.94 × 11,145.64
  4. Step 4: Simplify right side
    17,403.40x = 290,766,787.58
  5. Step 5: Solve for x
    x = 290,766,787.58/17,403.40
  6. Step 6: Final answer
    x = 16,707.47

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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.