Home / 19,714.07-29,583.78-7,865.82

Finding the Fourth Proportional to 19,714.07, 29,583.78 and 7,865.82

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Solution

The fourth proportional to 19,714.07, 29,583.78 and 7,865.82 is: 11,803.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,714.07 : 29,583.78 = 7,865.82 : x
  2. Step 2: Convert to fraction form
    19,714.07/29,583.78 = 7,865.82/x
  3. Step 3: Cross multiply
    19,714.07x = 29,583.78 × 7,865.82
  4. Step 4: Simplify right side
    19,714.07x = 232,700,688.40
  5. Step 5: Solve for x
    x = 232,700,688.40/19,714.07
  6. Step 6: Final answer
    x = 11,803.79

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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.