Home / 10,243.98-15,343.29-6,339.78

Finding the Fourth Proportional to 10,243.98, 15,343.29 and 6,339.78

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Solution

The fourth proportional to 10,243.98, 15,343.29 and 6,339.78 is: 9,495.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.98 : 15,343.29 = 6,339.78 : x
  2. Step 2: Convert to fraction form
    10,243.98/15,343.29 = 6,339.78/x
  3. Step 3: Cross multiply
    10,243.98x = 15,343.29 × 6,339.78
  4. Step 4: Simplify right side
    10,243.98x = 97,273,083.08
  5. Step 5: Solve for x
    x = 97,273,083.08/10,243.98
  6. Step 6: Final answer
    x = 9,495.63

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1.5x scale

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.