Home / 19,589.72-29,364.46-7,738.68

Finding the Fourth Proportional to 19,589.72, 29,364.46 and 7,738.68

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Solution

The fourth proportional to 19,589.72, 29,364.46 and 7,738.68 is: 11,600.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,589.72 : 29,364.46 = 7,738.68 : x
  2. Step 2: Convert to fraction form
    19,589.72/29,364.46 = 7,738.68/x
  3. Step 3: Cross multiply
    19,589.72x = 29,364.46 × 7,738.68
  4. Step 4: Simplify right side
    19,589.72x = 227,242,250.08
  5. Step 5: Solve for x
    x = 227,242,250.08/19,589.72
  6. Step 6: Final answer
    x = 11,600.08

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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.