Home / 19,591.35-29,391.29-6,443.43

Finding the Fourth Proportional to 19,591.35, 29,391.29 and 6,443.43

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Solution

The fourth proportional to 19,591.35, 29,391.29 and 6,443.43 is: 9,666.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.35 : 29,391.29 = 6,443.43 : x
  2. Step 2: Convert to fraction form
    19,591.35/29,391.29 = 6,443.43/x
  3. Step 3: Cross multiply
    19,591.35x = 29,391.29 × 6,443.43
  4. Step 4: Simplify right side
    19,591.35x = 189,380,687.51
  5. Step 5: Solve for x
    x = 189,380,687.51/19,591.35
  6. Step 6: Final answer
    x = 9,666.55

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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.