Home / 10,443.21-15,653.88-4,891.88

Finding the Fourth Proportional to 10,443.21, 15,653.88 and 4,891.88

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Solution

The fourth proportional to 10,443.21, 15,653.88 and 4,891.88 is: 7,332.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.21 : 15,653.88 = 4,891.88 : x
  2. Step 2: Convert to fraction form
    10,443.21/15,653.88 = 4,891.88/x
  3. Step 3: Cross multiply
    10,443.21x = 15,653.88 × 4,891.88
  4. Step 4: Simplify right side
    10,443.21x = 76,576,824.23
  5. Step 5: Solve for x
    x = 76,576,824.23/10,443.21
  6. Step 6: Final answer
    x = 7,332.69

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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.