Home / 9,721.88-13,418.04-6,089.62

Finding the Fourth Proportional to 9,721.88, 13,418.04 and 6,089.62

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Solution

The fourth proportional to 9,721.88, 13,418.04 and 6,089.62 is: 8,404.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.88 : 13,418.04 = 6,089.62 : x
  2. Step 2: Convert to fraction form
    9,721.88/13,418.04 = 6,089.62/x
  3. Step 3: Cross multiply
    9,721.88x = 13,418.04 × 6,089.62
  4. Step 4: Simplify right side
    9,721.88x = 81,710,764.74
  5. Step 5: Solve for x
    x = 81,710,764.74/9,721.88
  6. Step 6: Final answer
    x = 8,404.83

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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.