Home / 18,817.33-28,228.73-10,047.46

Finding the Fourth Proportional to 18,817.33, 28,228.73 and 10,047.46

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Solution

The fourth proportional to 18,817.33, 28,228.73 and 10,047.46 is: 15,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.33 : 28,228.73 = 10,047.46 : x
  2. Step 2: Convert to fraction form
    18,817.33/28,228.73 = 10,047.46/x
  3. Step 3: Cross multiply
    18,817.33x = 28,228.73 × 10,047.46
  4. Step 4: Simplify right side
    18,817.33x = 283,627,035.53
  5. Step 5: Solve for x
    x = 283,627,035.53/18,817.33
  6. Step 6: Final answer
    x = 15,072.65

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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.