Home / 12,539.87-17,304.77-6,874.63

Finding the Fourth Proportional to 12,539.87, 17,304.77 and 6,874.63

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Solution

The fourth proportional to 12,539.87, 17,304.77 and 6,874.63 is: 9,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.87 : 17,304.77 = 6,874.63 : x
  2. Step 2: Convert to fraction form
    12,539.87/17,304.77 = 6,874.63/x
  3. Step 3: Cross multiply
    12,539.87x = 17,304.77 × 6,874.63
  4. Step 4: Simplify right side
    12,539.87x = 118,963,864.91
  5. Step 5: Solve for x
    x = 118,963,864.91/12,539.87
  6. Step 6: Final answer
    x = 9,486.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.