Home / 10,213.05-15,302.79-6,309.39

Finding the Fourth Proportional to 10,213.05, 15,302.79 and 6,309.39

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Solution

The fourth proportional to 10,213.05, 15,302.79 and 6,309.39 is: 9,453.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213.05 : 15,302.79 = 6,309.39 : x
  2. Step 2: Convert to fraction form
    10,213.05/15,302.79 = 6,309.39/x
  3. Step 3: Cross multiply
    10,213.05x = 15,302.79 × 6,309.39
  4. Step 4: Simplify right side
    10,213.05x = 96,551,270.20
  5. Step 5: Solve for x
    x = 96,551,270.20/10,213.05
  6. Step 6: Final answer
    x = 9,453.72

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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.