Home / 10,240.36-14,131.80-5,764.12

Finding the Fourth Proportional to 10,240.36, 14,131.80 and 5,764.12

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Solution

The fourth proportional to 10,240.36, 14,131.80 and 5,764.12 is: 7,954.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.36 : 14,131.80 = 5,764.12 : x
  2. Step 2: Convert to fraction form
    10,240.36/14,131.80 = 5,764.12/x
  3. Step 3: Cross multiply
    10,240.36x = 14,131.80 × 5,764.12
  4. Step 4: Simplify right side
    10,240.36x = 81,457,391.02
  5. Step 5: Solve for x
    x = 81,457,391.02/10,240.36
  6. Step 6: Final answer
    x = 7,954.54

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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.