Home / 19,104.90-26,364.74-11,145.58

Finding the Fourth Proportional to 19,104.90, 26,364.74 and 11,145.58

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Solution

The fourth proportional to 19,104.90, 26,364.74 and 11,145.58 is: 15,380.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104.90 : 26,364.74 = 11,145.58 : x
  2. Step 2: Convert to fraction form
    19,104.90/26,364.74 = 11,145.58/x
  3. Step 3: Cross multiply
    19,104.90x = 26,364.74 × 11,145.58
  4. Step 4: Simplify right side
    19,104.90x = 293,850,318.85
  5. Step 5: Solve for x
    x = 293,850,318.85/19,104.90
  6. Step 6: Final answer
    x = 15,380.89

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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.