Home / 12,358.22-18,539.69-4,963.28

Finding the Fourth Proportional to 12,358.22, 18,539.69 and 4,963.28

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Solution

The fourth proportional to 12,358.22, 18,539.69 and 4,963.28 is: 7,445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.22 : 18,539.69 = 4,963.28 : x
  2. Step 2: Convert to fraction form
    12,358.22/18,539.69 = 4,963.28/x
  3. Step 3: Cross multiply
    12,358.22x = 18,539.69 × 4,963.28
  4. Step 4: Simplify right side
    12,358.22x = 92,017,555.07
  5. Step 5: Solve for x
    x = 92,017,555.07/12,358.22
  6. Step 6: Final answer
    x = 7,445.86

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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.