Home / 10,423.94-15,628.10-3,848.90

Finding the Fourth Proportional to 10,423.94, 15,628.10 and 3,848.90

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Solution

The fourth proportional to 10,423.94, 15,628.10 and 3,848.90 is: 5,770.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.94 : 15,628.10 = 3,848.90 : x
  2. Step 2: Convert to fraction form
    10,423.94/15,628.10 = 3,848.90/x
  3. Step 3: Cross multiply
    10,423.94x = 15,628.10 × 3,848.90
  4. Step 4: Simplify right side
    10,423.94x = 60,150,994.09
  5. Step 5: Solve for x
    x = 60,150,994.09/10,423.94
  6. Step 6: Final answer
    x = 5,770.47

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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.