Home / 19,942.86-29,915.10-8,847.48

Finding the Fourth Proportional to 19,942.86, 29,915.10 and 8,847.48

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Solution

The fourth proportional to 19,942.86, 29,915.10 and 8,847.48 is: 13,271.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.86 : 29,915.10 = 8,847.48 : x
  2. Step 2: Convert to fraction form
    19,942.86/29,915.10 = 8,847.48/x
  3. Step 3: Cross multiply
    19,942.86x = 29,915.10 × 8,847.48
  4. Step 4: Simplify right side
    19,942.86x = 264,673,248.95
  5. Step 5: Solve for x
    x = 264,673,248.95/19,942.86
  6. Step 6: Final answer
    x = 13,271.58

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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.