Home / 10,087.43-15,122.64-4,819.46

Finding the Fourth Proportional to 10,087.43, 15,122.64 and 4,819.46

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Solution

The fourth proportional to 10,087.43, 15,122.64 and 4,819.46 is: 7,225.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.43 : 15,122.64 = 4,819.46 : x
  2. Step 2: Convert to fraction form
    10,087.43/15,122.64 = 4,819.46/x
  3. Step 3: Cross multiply
    10,087.43x = 15,122.64 × 4,819.46
  4. Step 4: Simplify right side
    10,087.43x = 72,882,958.57
  5. Step 5: Solve for x
    x = 72,882,958.57/10,087.43
  6. Step 6: Final answer
    x = 7,225.13

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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.