Home / 14,343.96-19,784.04-8,375.28

Finding the Fourth Proportional to 14,343.96, 19,784.04 and 8,375.28

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Solution

The fourth proportional to 14,343.96, 19,784.04 and 8,375.28 is: 11,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.96 : 19,784.04 = 8,375.28 : x
  2. Step 2: Convert to fraction form
    14,343.96/19,784.04 = 8,375.28/x
  3. Step 3: Cross multiply
    14,343.96x = 19,784.04 × 8,375.28
  4. Step 4: Simplify right side
    14,343.96x = 165,696,874.53
  5. Step 5: Solve for x
    x = 165,696,874.53/14,343.96
  6. Step 6: Final answer
    x = 11,551.68

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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.