Home / 11,089.80-15,305.40-6,374.52

Finding the Fourth Proportional to 11,089.80, 15,305.40 and 6,374.52

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Solution

The fourth proportional to 11,089.80, 15,305.40 and 6,374.52 is: 8,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.80 : 15,305.40 = 6,374.52 : x
  2. Step 2: Convert to fraction form
    11,089.80/15,305.40 = 6,374.52/x
  3. Step 3: Cross multiply
    11,089.80x = 15,305.40 × 6,374.52
  4. Step 4: Simplify right side
    11,089.80x = 97,564,578.41
  5. Step 5: Solve for x
    x = 97,564,578.41/11,089.80
  6. Step 6: Final answer
    x = 8,797.69

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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.