Home / 15,299.59-21,107.63-11,276.02

Finding the Fourth Proportional to 15,299.59, 21,107.63 and 11,276.02

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Solution

The fourth proportional to 15,299.59, 21,107.63 and 11,276.02 is: 15,556.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,299.59 : 21,107.63 = 11,276.02 : x
  2. Step 2: Convert to fraction form
    15,299.59/21,107.63 = 11,276.02/x
  3. Step 3: Cross multiply
    15,299.59x = 21,107.63 × 11,276.02
  4. Step 4: Simplify right side
    15,299.59x = 238,010,109.90
  5. Step 5: Solve for x
    x = 238,010,109.90/15,299.59
  6. Step 6: Final answer
    x = 15,556.63

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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.