Home / 10,103.28-15,145-4,836.80

Finding the Fourth Proportional to 10,103.28, 15,145 and 4,836.80

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Solution

The fourth proportional to 10,103.28, 15,145 and 4,836.80 is: 7,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.28 : 15,145 = 4,836.80 : x
  2. Step 2: Convert to fraction form
    10,103.28/15,145 = 4,836.80/x
  3. Step 3: Cross multiply
    10,103.28x = 15,145 × 4,836.80
  4. Step 4: Simplify right side
    10,103.28x = 73,253,336
  5. Step 5: Solve for x
    x = 73,253,336/10,103.28
  6. Step 6: Final answer
    x = 7,250.45

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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.