Home / 18,971.07-28,454.10-5,822.34

Finding the Fourth Proportional to 18,971.07, 28,454.10 and 5,822.34

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Solution

The fourth proportional to 18,971.07, 28,454.10 and 5,822.34 is: 8,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971.07 : 28,454.10 = 5,822.34 : x
  2. Step 2: Convert to fraction form
    18,971.07/28,454.10 = 5,822.34/x
  3. Step 3: Cross multiply
    18,971.07x = 28,454.10 × 5,822.34
  4. Step 4: Simplify right side
    18,971.07x = 165,669,444.59
  5. Step 5: Solve for x
    x = 165,669,444.59/18,971.07
  6. Step 6: Final answer
    x = 8,732.74

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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.