Home / 19,293.48-28,955.61-7,614.90

Finding the Fourth Proportional to 19,293.48, 28,955.61 and 7,614.90

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Solution

The fourth proportional to 19,293.48, 28,955.61 and 7,614.90 is: 11,428.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.48 : 28,955.61 = 7,614.90 : x
  2. Step 2: Convert to fraction form
    19,293.48/28,955.61 = 7,614.90/x
  3. Step 3: Cross multiply
    19,293.48x = 28,955.61 × 7,614.90
  4. Step 4: Simplify right side
    19,293.48x = 220,494,074.59
  5. Step 5: Solve for x
    x = 220,494,074.59/19,293.48
  6. Step 6: Final answer
    x = 11,428.42

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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.