Home / 14,176.60-21,265.25-6,781.84

Finding the Fourth Proportional to 14,176.60, 21,265.25 and 6,781.84

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Solution

The fourth proportional to 14,176.60, 21,265.25 and 6,781.84 is: 10,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.60 : 21,265.25 = 6,781.84 : x
  2. Step 2: Convert to fraction form
    14,176.60/21,265.25 = 6,781.84/x
  3. Step 3: Cross multiply
    14,176.60x = 21,265.25 × 6,781.84
  4. Step 4: Simplify right side
    14,176.60x = 144,217,523.06
  5. Step 5: Solve for x
    x = 144,217,523.06/14,176.60
  6. Step 6: Final answer
    x = 10,172.93

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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.