Home / 11,315.60-16,987.80-6,054.80

Finding the Fourth Proportional to 11,315.60, 16,987.80 and 6,054.80

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Solution

The fourth proportional to 11,315.60, 16,987.80 and 6,054.80 is: 9,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.60 : 16,987.80 = 6,054.80 : x
  2. Step 2: Convert to fraction form
    11,315.60/16,987.80 = 6,054.80/x
  3. Step 3: Cross multiply
    11,315.60x = 16,987.80 × 6,054.80
  4. Step 4: Simplify right side
    11,315.60x = 102,857,731.44
  5. Step 5: Solve for x
    x = 102,857,731.44/11,315.60
  6. Step 6: Final answer
    x = 9,089.91

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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.