Home / 9,355.54-14,034.08-2,781.74

Finding the Fourth Proportional to 9,355.54, 14,034.08 and 2,781.74

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Solution

The fourth proportional to 9,355.54, 14,034.08 and 2,781.74 is: 4,172.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.54 : 14,034.08 = 2,781.74 : x
  2. Step 2: Convert to fraction form
    9,355.54/14,034.08 = 2,781.74/x
  3. Step 3: Cross multiply
    9,355.54x = 14,034.08 × 2,781.74
  4. Step 4: Simplify right side
    9,355.54x = 39,039,161.70
  5. Step 5: Solve for x
    x = 39,039,161.70/9,355.54
  6. Step 6: Final answer
    x = 4,172.84

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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.