Home / 19,913.22-29,869.83-7,432.74

Finding the Fourth Proportional to 19,913.22, 29,869.83 and 7,432.74

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Solution

The fourth proportional to 19,913.22, 29,869.83 and 7,432.74 is: 11,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.22 : 29,869.83 = 7,432.74 : x
  2. Step 2: Convert to fraction form
    19,913.22/29,869.83 = 7,432.74/x
  3. Step 3: Cross multiply
    19,913.22x = 29,869.83 × 7,432.74
  4. Step 4: Simplify right side
    19,913.22x = 222,014,680.23
  5. Step 5: Solve for x
    x = 222,014,680.23/19,913.22
  6. Step 6: Final answer
    x = 11,149.11

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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.