Home / 19,059.13-28,589.28-5,911.57

Finding the Fourth Proportional to 19,059.13, 28,589.28 and 5,911.57

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Solution

The fourth proportional to 19,059.13, 28,589.28 and 5,911.57 is: 8,867.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,059.13 : 28,589.28 = 5,911.57 : x
  2. Step 2: Convert to fraction form
    19,059.13/28,589.28 = 5,911.57/x
  3. Step 3: Cross multiply
    19,059.13x = 28,589.28 × 5,911.57
  4. Step 4: Simplify right side
    19,059.13x = 169,007,529.97
  5. Step 5: Solve for x
    x = 169,007,529.97/19,059.13
  6. Step 6: Final answer
    x = 8,867.54

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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.