Home / 10,344.78-15,515.69-3,323.88

Finding the Fourth Proportional to 10,344.78, 15,515.69 and 3,323.88

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Solution

The fourth proportional to 10,344.78, 15,515.69 and 3,323.88 is: 4,985.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,344.78 : 15,515.69 = 3,323.88 : x
  2. Step 2: Convert to fraction form
    10,344.78/15,515.69 = 3,323.88/x
  3. Step 3: Cross multiply
    10,344.78x = 15,515.69 × 3,323.88
  4. Step 4: Simplify right side
    10,344.78x = 51,572,275.06
  5. Step 5: Solve for x
    x = 51,572,275.06/10,344.78
  6. Step 6: Final answer
    x = 4,985.34

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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.