Home / 19,777.76-29,653.26-10,407.83

Finding the Fourth Proportional to 19,777.76, 29,653.26 and 10,407.83

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Solution

The fourth proportional to 19,777.76, 29,653.26 and 10,407.83 is: 15,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,777.76 : 29,653.26 = 10,407.83 : x
  2. Step 2: Convert to fraction form
    19,777.76/29,653.26 = 10,407.83/x
  3. Step 3: Cross multiply
    19,777.76x = 29,653.26 × 10,407.83
  4. Step 4: Simplify right side
    19,777.76x = 308,625,940.76
  5. Step 5: Solve for x
    x = 308,625,940.76/19,777.76
  6. Step 6: Final answer
    x = 15,604.70

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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.