Home / 10,319.05-14,243.34-6,338.71

Finding the Fourth Proportional to 10,319.05, 14,243.34 and 6,338.71

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Solution

The fourth proportional to 10,319.05, 14,243.34 and 6,338.71 is: 8,749.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.05 : 14,243.34 = 6,338.71 : x
  2. Step 2: Convert to fraction form
    10,319.05/14,243.34 = 6,338.71/x
  3. Step 3: Cross multiply
    10,319.05x = 14,243.34 × 6,338.71
  4. Step 4: Simplify right side
    10,319.05x = 90,284,401.69
  5. Step 5: Solve for x
    x = 90,284,401.69/10,319.05
  6. Step 6: Final answer
    x = 8,749.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.