Home / 15,289.73-22,936.88-5,428.19

Finding the Fourth Proportional to 15,289.73, 22,936.88 and 5,428.19

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Solution

The fourth proportional to 15,289.73, 22,936.88 and 5,428.19 is: 8,143.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289.73 : 22,936.88 = 5,428.19 : x
  2. Step 2: Convert to fraction form
    15,289.73/22,936.88 = 5,428.19/x
  3. Step 3: Cross multiply
    15,289.73x = 22,936.88 × 5,428.19
  4. Step 4: Simplify right side
    15,289.73x = 124,505,600.82
  5. Step 5: Solve for x
    x = 124,505,600.82/15,289.73
  6. Step 6: Final answer
    x = 8,143.09

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1.5x scale

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.