Home / 19,612.88-29,419.06-4,821.93

Finding the Fourth Proportional to 19,612.88, 29,419.06 and 4,821.93

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Solution

The fourth proportional to 19,612.88, 29,419.06 and 4,821.93 is: 7,232.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.88 : 29,419.06 = 4,821.93 : x
  2. Step 2: Convert to fraction form
    19,612.88/29,419.06 = 4,821.93/x
  3. Step 3: Cross multiply
    19,612.88x = 29,419.06 × 4,821.93
  4. Step 4: Simplify right side
    19,612.88x = 141,856,558.67
  5. Step 5: Solve for x
    x = 141,856,558.67/19,612.88
  6. Step 6: Final answer
    x = 7,232.83

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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.