Home / 19,121.60-28,650.03-11,710.58

Finding the Fourth Proportional to 19,121.60, 28,650.03 and 11,710.58

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Solution

The fourth proportional to 19,121.60, 28,650.03 and 11,710.58 is: 17,546.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.60 : 28,650.03 = 11,710.58 : x
  2. Step 2: Convert to fraction form
    19,121.60/28,650.03 = 11,710.58/x
  3. Step 3: Cross multiply
    19,121.60x = 28,650.03 × 11,710.58
  4. Step 4: Simplify right side
    19,121.60x = 335,508,325.07
  5. Step 5: Solve for x
    x = 335,508,325.07/19,121.60
  6. Step 6: Final answer
    x = 17,546.04

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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.