Home / 10,209.71-14,088.40-5,732.44

Finding the Fourth Proportional to 10,209.71, 14,088.40 and 5,732.44

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Solution

The fourth proportional to 10,209.71, 14,088.40 and 5,732.44 is: 7,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.71 : 14,088.40 = 5,732.44 : x
  2. Step 2: Convert to fraction form
    10,209.71/14,088.40 = 5,732.44/x
  3. Step 3: Cross multiply
    10,209.71x = 14,088.40 × 5,732.44
  4. Step 4: Simplify right side
    10,209.71x = 80,760,858.14
  5. Step 5: Solve for x
    x = 80,760,858.14/10,209.71
  6. Step 6: Final answer
    x = 7,910.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.