Home / 19,591.88-29,391.46-6,444.76

Finding the Fourth Proportional to 19,591.88, 29,391.46 and 6,444.76

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Solution

The fourth proportional to 19,591.88, 29,391.46 and 6,444.76 is: 9,668.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.88 : 29,391.46 = 6,444.76 : x
  2. Step 2: Convert to fraction form
    19,591.88/29,391.46 = 6,444.76/x
  3. Step 3: Cross multiply
    19,591.88x = 29,391.46 × 6,444.76
  4. Step 4: Simplify right side
    19,591.88x = 189,420,905.75
  5. Step 5: Solve for x
    x = 189,420,905.75/19,591.88
  6. Step 6: Final answer
    x = 9,668.34

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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.