Home / 19,564.92-29,347.02-7,877.84

Finding the Fourth Proportional to 19,564.92, 29,347.02 and 7,877.84

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Solution

The fourth proportional to 19,564.92, 29,347.02 and 7,877.84 is: 11,816.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,564.92 : 29,347.02 = 7,877.84 : x
  2. Step 2: Convert to fraction form
    19,564.92/29,347.02 = 7,877.84/x
  3. Step 3: Cross multiply
    19,564.92x = 29,347.02 × 7,877.84
  4. Step 4: Simplify right side
    19,564.92x = 231,190,981.30
  5. Step 5: Solve for x
    x = 231,190,981.30/19,564.92
  6. Step 6: Final answer
    x = 11,816.61

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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.