Home / 12,792.90-19,153.91-6,539.44

Finding the Fourth Proportional to 12,792.90, 19,153.91 and 6,539.44

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Solution

The fourth proportional to 12,792.90, 19,153.91 and 6,539.44 is: 9,791.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.90 : 19,153.91 = 6,539.44 : x
  2. Step 2: Convert to fraction form
    12,792.90/19,153.91 = 6,539.44/x
  3. Step 3: Cross multiply
    12,792.90x = 19,153.91 × 6,539.44
  4. Step 4: Simplify right side
    12,792.90x = 125,255,845.21
  5. Step 5: Solve for x
    x = 125,255,845.21/12,792.90
  6. Step 6: Final answer
    x = 9,791.04

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1.5x scale

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.