Home / 14,175.42-21,265.29-6,386.46

Finding the Fourth Proportional to 14,175.42, 21,265.29 and 6,386.46

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Solution

The fourth proportional to 14,175.42, 21,265.29 and 6,386.46 is: 9,580.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.42 : 21,265.29 = 6,386.46 : x
  2. Step 2: Convert to fraction form
    14,175.42/21,265.29 = 6,386.46/x
  3. Step 3: Cross multiply
    14,175.42x = 21,265.29 × 6,386.46
  4. Step 4: Simplify right side
    14,175.42x = 135,809,923.97
  5. Step 5: Solve for x
    x = 135,809,923.97/14,175.42
  6. Step 6: Final answer
    x = 9,580.66

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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.