Home / 10,440.36-15,661.09-2,649.24

Finding the Fourth Proportional to 10,440.36, 15,661.09 and 2,649.24

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Solution

The fourth proportional to 10,440.36, 15,661.09 and 2,649.24 is: 3,974.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.36 : 15,661.09 = 2,649.24 : x
  2. Step 2: Convert to fraction form
    10,440.36/15,661.09 = 2,649.24/x
  3. Step 3: Cross multiply
    10,440.36x = 15,661.09 × 2,649.24
  4. Step 4: Simplify right side
    10,440.36x = 41,489,986.07
  5. Step 5: Solve for x
    x = 41,489,986.07/10,440.36
  6. Step 6: Final answer
    x = 3,974.00

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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.