Home / 19,470.53-26,869.31-11,087.03

Finding the Fourth Proportional to 19,470.53, 26,869.31 and 11,087.03

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Solution

The fourth proportional to 19,470.53, 26,869.31 and 11,087.03 is: 15,300.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,470.53 : 26,869.31 = 11,087.03 : x
  2. Step 2: Convert to fraction form
    19,470.53/26,869.31 = 11,087.03/x
  3. Step 3: Cross multiply
    19,470.53x = 26,869.31 × 11,087.03
  4. Step 4: Simplify right side
    19,470.53x = 297,900,790.61
  5. Step 5: Solve for x
    x = 297,900,790.61/19,470.53
  6. Step 6: Final answer
    x = 15,300.09

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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.