Home / 18,869.67-28,304.20-4,829.58

Finding the Fourth Proportional to 18,869.67, 28,304.20 and 4,829.58

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Solution

The fourth proportional to 18,869.67, 28,304.20 and 4,829.58 is: 7,244.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,869.67 : 28,304.20 = 4,829.58 : x
  2. Step 2: Convert to fraction form
    18,869.67/28,304.20 = 4,829.58/x
  3. Step 3: Cross multiply
    18,869.67x = 28,304.20 × 4,829.58
  4. Step 4: Simplify right side
    18,869.67x = 136,697,398.24
  5. Step 5: Solve for x
    x = 136,697,398.24/18,869.67
  6. Step 6: Final answer
    x = 7,244.29

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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.