Home / 10,039.46-13,859.70-7,796.30

Finding the Fourth Proportional to 10,039.46, 13,859.70 and 7,796.30

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Solution

The fourth proportional to 10,039.46, 13,859.70 and 7,796.30 is: 10,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.46 : 13,859.70 = 7,796.30 : x
  2. Step 2: Convert to fraction form
    10,039.46/13,859.70 = 7,796.30/x
  3. Step 3: Cross multiply
    10,039.46x = 13,859.70 × 7,796.30
  4. Step 4: Simplify right side
    10,039.46x = 108,054,379.11
  5. Step 5: Solve for x
    x = 108,054,379.11/10,039.46
  6. Step 6: Final answer
    x = 10,762.97

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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.